File 0033-topology-avoid-to-use-the-atoi-directly-wh... of Package alsa

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File 0033-topology-avoid-to-use-the-atoi-directly-when-expecte.patch of Package alsa (Revision 27de3982a69fe8c4175a40c495f09d45)

Currently displaying revision 27de3982a69fe8c4175a40c495f09d45 , Show latest

From f373bf1f6eea0f2037a7714e9b55aa65fa00b889 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Sat, 14 Dec 2019 13:36:09 +0100
Subject: [PATCH 33/63] topology: avoid to use the atoi() directly when
 expected

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 src/topology/channel.c    |  10 ++--
 src/topology/ctl.c        |  37 ++++++------
 src/topology/dapm.c       |  32 +++++-----
 src/topology/data.c       |  14 ++---
 src/topology/elem.c       |   9 ++-
 src/topology/ops.c        |   2 +-
 src/topology/parser.c     |  29 +++++++++
 src/topology/pcm.c        | 148 ++++++++++++++++++++--------------------------
 src/topology/tplg_local.h |   2 +
 9 files changed, 150 insertions(+), 133 deletions(-)

diff --git a/src/topology/channel.c b/src/topology/channel.c
index 60f7e219a674..4569eb31e0c5 100644
--- a/src/topology/channel.c
+++ b/src/topology/channel.c
@@ -80,8 +80,8 @@ int tplg_parse_channel(snd_tplg_t *tplg, snd_config_t *cfg,
 	snd_config_iterator_t i, next;
 	snd_config_t *n;
 	struct snd_soc_tplg_channel *channel = private;
-	const char *id, *value;
-	int channel_id;
+	const char *id;
+	int channel_id, value;
 
 	if (tplg->channel_idx >= SND_SOC_TPLG_MAX_CHAN)
 		return -EINVAL;
@@ -109,13 +109,13 @@ int tplg_parse_channel(snd_tplg_t *tplg, snd_config_t *cfg,
 			continue;
 
 		/* get value */
-		if (snd_config_get_string(n, &value) < 0)
+		if (tplg_get_integer(n, &value, 0) < 0)
 			continue;
 
 		if (strcmp(id, "reg") == 0)
-			channel->reg = atoi(value);
+			channel->reg = value;
 		else if (strcmp(id, "shift") == 0)
-			channel->shift = atoi(value);
+			channel->shift = value;
 
 		tplg_dbg("\t\t%s = %s\n", id, value);
 	}
diff --git a/src/topology/ctl.c b/src/topology/ctl.c
index 1db0b16eac95..e1896f46c576 100644
--- a/src/topology/ctl.c
+++ b/src/topology/ctl.c
@@ -286,7 +286,8 @@ static int tplg_parse_tlv_dbscale(snd_config_t *cfg, struct tplg_elem *elem)
 	snd_config_t *n;
 	struct snd_soc_tplg_ctl_tlv *tplg_tlv;
 	struct snd_soc_tplg_tlv_dbscale *scale;
-	const char *id = NULL, *value = NULL;
+	const char *id = NULL;
+	int val;
 
 	tplg_dbg(" scale: %s\n", elem->id);
 
@@ -310,18 +311,18 @@ static int tplg_parse_tlv_dbscale(snd_config_t *cfg, struct tplg_elem *elem)
 		}
 
 		/* get value */
-		if (snd_config_get_string(n, &value) < 0)
+		if (tplg_get_integer(n, &val, 0))
 			continue;
 
-		tplg_dbg("\t%s = %s\n", id, value);
+		tplg_dbg("\t%s = %i\n", id, val);
 
 		/* get TLV data */
 		if (strcmp(id, "min") == 0)
-			scale->min = atoi(value);
+			scale->min = val;
 		else if (strcmp(id, "step") == 0)
-			scale->step = atoi(value);
+			scale->step = val;
 		else if (strcmp(id, "mute") == 0)
-			scale->mute = atoi(value);
+			scale->mute = val;
 		else
 			SNDERR("error: unknown key %s\n", id);
 	}
@@ -372,7 +373,7 @@ int tplg_parse_control_bytes(snd_tplg_t *tplg,
 	snd_config_iterator_t i, next;
 	snd_config_t *n;
 	const char *id, *val = NULL;
-	int err;
+	int err, ival;
 	bool access_set = false, tlv_set = false;
 
 	elem = tplg_elem_new_common(tplg, cfg, NULL, SND_TPLG_TYPE_BYTES);
@@ -398,37 +399,37 @@ int tplg_parse_control_bytes(snd_tplg_t *tplg,
 			continue;
 
 		if (strcmp(id, "base") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (tplg_get_integer(n, &ival, 0))
 				return -EINVAL;
 
-			be->base = atoi(val);
+			be->base = ival;
 			tplg_dbg("\t%s: %d\n", id, be->base);
 			continue;
 		}
 
 		if (strcmp(id, "num_regs") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (tplg_get_integer(n, &ival, 0))
 				return -EINVAL;
 
-			be->num_regs = atoi(val);
+			be->num_regs = ival;
 			tplg_dbg("\t%s: %d\n", id, be->num_regs);
 			continue;
 		}
 
 		if (strcmp(id, "max") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (tplg_get_integer(n, &ival, 0))
 				return -EINVAL;
 
-			be->max = atoi(val);
+			be->max = ival;
 			tplg_dbg("\t%s: %d\n", id, be->max);
 			continue;
 		}
 
 		if (strcmp(id, "mask") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (tplg_get_integer(n, &ival, 16))
 				return -EINVAL;
 
-			be->mask = strtol(val, NULL, 16);
+			be->mask = ival;
 			tplg_dbg("\t%s: %d\n", id, be->mask);
 			continue;
 		}
@@ -598,7 +599,7 @@ int tplg_parse_control_mixer(snd_tplg_t *tplg,
 	snd_config_iterator_t i, next;
 	snd_config_t *n;
 	const char *id, *val = NULL;
-	int err, j;
+	int err, j, ival;
 	bool access_set = false, tlv_set = false;
 
 	elem = tplg_elem_new_common(tplg, cfg, NULL, SND_TPLG_TYPE_MIXER);
@@ -647,10 +648,10 @@ int tplg_parse_control_mixer(snd_tplg_t *tplg,
 		}
 
 		if (strcmp(id, "max") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (tplg_get_integer(n, &ival, 0))
 				return -EINVAL;
 
-			mc->max = atoi(val);
+			mc->max = ival;
 			tplg_dbg("\t%s: %d\n", id, mc->max);
 			continue;
 		}
diff --git a/src/topology/dapm.c b/src/topology/dapm.c
index ce46913192df..c6fd793d0d72 100644
--- a/src/topology/dapm.c
+++ b/src/topology/dapm.c
@@ -426,7 +426,7 @@ int tplg_parse_dapm_graph(snd_tplg_t *tplg, snd_config_t *cfg,
 	snd_config_iterator_t i, next;
 	snd_config_t *n;
 	int err;
-	const char *graph_id, *val = NULL;
+	const char *graph_id;
 	int index = -1;
 
 	if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) {
@@ -445,9 +445,10 @@ int tplg_parse_dapm_graph(snd_tplg_t *tplg, snd_config_t *cfg,
 		}
 
 		if (strcmp(id, "index") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (tplg_get_integer(n, &index, 0))
+				return -EINVAL;
+			if (index < 0)
 				return -EINVAL;
-			index = atoi(val);
 		}
 
 		if (strcmp(id, "lines") == 0) {
@@ -479,6 +480,7 @@ int tplg_parse_dapm_widget(snd_tplg_t *tplg,
 	snd_config_t *n;
 	const char *id, *val = NULL;
 	int widget_type, err;
+	int ival;
 
 	elem = tplg_elem_new_common(tplg, cfg, NULL, SND_TPLG_TYPE_DAPM_WIDGET);
 	if (!elem)
@@ -540,55 +542,55 @@ int tplg_parse_dapm_widget(snd_tplg_t *tplg,
 		}
 
 		if (strcmp(id, "shift") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (tplg_get_integer(n, &ival, 0))
 				return -EINVAL;
 
-			widget->shift = atoi(val);
+			widget->shift = ival;
 			tplg_dbg("\t%s: %d\n", id, widget->shift);
 			continue;
 		}
 
 		if (strcmp(id, "reg") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (tplg_get_integer(n, &ival, 0))
 				return -EINVAL;
 
-			widget->reg = atoi(val);
+			widget->reg = ival;
 			tplg_dbg("\t%s: %d\n", id, widget->reg);
 			continue;
 		}
 
 		if (strcmp(id, "invert") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (tplg_get_integer(n, &ival, 0))
 				return -EINVAL;
 
-			widget->invert = atoi(val);
+			widget->invert = ival;
 			tplg_dbg("\t%s: %d\n", id, widget->invert);
 			continue;
 		}
 
 		if (strcmp(id, "subseq") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (tplg_get_integer(n, &ival, 0))
 				return -EINVAL;
 
-			widget->subseq= atoi(val);
+			widget->subseq = ival;
 			tplg_dbg("\t%s: %d\n", id, widget->subseq);
 			continue;
 		}
 
 		if (strcmp(id, "event_type") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (tplg_get_integer(n, &ival, 0))
 				return -EINVAL;
 
-			widget->event_type = atoi(val);
+			widget->event_type = ival;
 			tplg_dbg("\t%s: %d\n", id, widget->event_type);
 			continue;
 		}
 
 		if (strcmp(id, "event_flags") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (tplg_get_integer(n, &ival, 0))
 				return -EINVAL;
 
-			widget->event_flags = atoi(val);
+			widget->event_flags = ival;
 			tplg_dbg("\t%s: %d\n", id, widget->event_flags);
 			continue;
 		}
diff --git a/src/topology/data.c b/src/topology/data.c
index 729ce1f4c0b6..0edfe54f3383 100644
--- a/src/topology/data.c
+++ b/src/topology/data.c
@@ -800,10 +800,10 @@ int tplg_parse_tokens(snd_tplg_t *tplg, snd_config_t *cfg,
 {
 	snd_config_iterator_t i, next;
 	snd_config_t *n;
-	const char *id, *value;
+	const char *id;
 	struct tplg_elem *elem;
 	struct tplg_vendor_tokens *tokens;
-	int num_tokens = 0;
+	int num_tokens = 0, value;
 
 	elem = tplg_elem_new_common(tplg, cfg, NULL, SND_TPLG_TYPE_TOKEN);
 	if (!elem)
@@ -830,12 +830,12 @@ int tplg_parse_tokens(snd_tplg_t *tplg, snd_config_t *cfg,
 		if (snd_config_get_id(n, &id) < 0)
 			continue;
 
-		if (snd_config_get_string(n, &value) < 0)
+		if (tplg_get_integer(n, &value, 0))
 			continue;
 
 		snd_strlcpy(tokens->token[tokens->num_tokens].id, id,
 				SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
-		tokens->token[tokens->num_tokens].value = atoi(value);
+		tokens->token[tokens->num_tokens].value = value;
 		tplg_dbg("\t\t %s : %d\n", tokens->token[tokens->num_tokens].id,
 			tokens->token[tokens->num_tokens].value);
 		tokens->num_tokens++;
@@ -1013,7 +1013,7 @@ int tplg_parse_data(snd_tplg_t *tplg, snd_config_t *cfg,
 	snd_config_iterator_t i, next;
 	snd_config_t *n;
 	const char *id, *val = NULL;
-	int err = 0;
+	int err = 0, ival;
 	struct tplg_elem *elem;
 
 	elem = tplg_elem_new_common(tplg, cfg, NULL, SND_TPLG_TYPE_DATA);
@@ -1071,10 +1071,10 @@ int tplg_parse_data(snd_tplg_t *tplg, snd_config_t *cfg,
 		}
 
 		if (strcmp(id, "type") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (tplg_get_integer(n, &ival, 0))
 				return -EINVAL;
 
-			elem->vendor_type = atoi(val);
+			elem->vendor_type = ival;
 			tplg_dbg("\t%s: %d\n", id, elem->index);
 			continue;
 		}
diff --git a/src/topology/elem.c b/src/topology/elem.c
index d8618cc9d983..f2076f7958aa 100644
--- a/src/topology/elem.c
+++ b/src/topology/elem.c
@@ -153,7 +153,7 @@ struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg,
 				       enum snd_tplg_type type)
 {
 	struct tplg_elem *elem;
-	const char *id, *val = NULL;
+	const char *id;
 	int obj_size = 0;
 	void *obj;
 	snd_config_iterator_t i, next;
@@ -178,11 +178,14 @@ struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg,
 			if (snd_config_get_id(n, &id))
 				continue;
 			if (strcmp(id, "index") == 0) {
-				if (snd_config_get_string(n, &val) < 0) {
+				if (tplg_get_integer(n, &elem->index, 0)) {
+					free(elem);
+					return NULL;
+				}
+				if (elem->index < 0) {
 					free(elem);
 					return NULL;
 				}
-				elem->index = atoi(val);
 			}
 		}
 	} else if (name != NULL)
diff --git a/src/topology/ops.c b/src/topology/ops.c
index 0f4295a2e50c..073acdcb1453 100644
--- a/src/topology/ops.c
+++ b/src/topology/ops.c
@@ -42,7 +42,7 @@ static int lookup_ops(const char *c)
 	}
 
 	/* cant find string name in our table so we use its ID number */
-	return atoi(c);
+	return strtol(c, NULL, 0);
 }
 
 /* Parse Control operations. Ops can come from standard names above or
diff --git a/src/topology/parser.c b/src/topology/parser.c
index 5940692da2e2..7e657809307d 100644
--- a/src/topology/parser.c
+++ b/src/topology/parser.c
@@ -21,6 +21,35 @@
 #include "list.h"
 #include "tplg_local.h"
 
+/*
+ * Get integer value
+ */
+int tplg_get_integer(snd_config_t *n, int *val, int base)
+{
+	const char *str;
+	long lval;
+	int err;
+
+	switch (snd_config_get_type(n)) {
+	case SND_CONFIG_TYPE_INTEGER:
+		err = snd_config_get_integer(n, &lval);
+		if (err < 0)
+			return err;
+		if (lval < INT_MIN || lval > INT_MAX)
+			return -EINVAL;
+		*val = lval;
+		return err;
+	case SND_CONFIG_TYPE_STRING:
+		err = snd_config_get_string(n, &str);
+		if (err < 0)
+			return err;
+		*val = strtol(str, NULL, base);
+		return 0;
+	default:
+		return -EINVAL;
+	}
+}
+
 /*
  * Parse compound
  */
diff --git a/src/topology/pcm.c b/src/topology/pcm.c
index 98a8df979e24..d6c52b4752ee 100644
--- a/src/topology/pcm.c
+++ b/src/topology/pcm.c
@@ -368,6 +368,24 @@ static int split_rate(struct snd_soc_tplg_stream_caps *caps, char *str)
 	return 0;
 }
 
+static int parse_unsigned(snd_config_t *n, unsigned int *dst)
+{
+	int ival;
+
+	if (tplg_get_integer(n, &ival, 0) < 0)
+		return -EINVAL;
+
+	*dst = ival;
+#if TPLG_DEBUG
+	{
+		const char *id;
+		if (snd_config_get_id(n, &id) >= 0)
+			tplg_dbg("\t\t%s: %d\n", id, *dst);
+	}
+#endif
+	return 0;
+}
+
 /* Parse pcm stream capabilities */
 int tplg_parse_stream_caps(snd_tplg_t *tplg,
 			   snd_config_t *cfg,
@@ -402,10 +420,10 @@ int tplg_parse_stream_caps(snd_tplg_t *tplg,
 		if (id[0] == '#')
 			continue;
 
-		if (snd_config_get_string(n, &val) < 0)
-			return -EINVAL;
-
 		if (strcmp(id, "formats") == 0) {
+			if (snd_config_get_string(n, &val) < 0)
+				return -EINVAL;
+
 			s = strdup(val);
 			if (s == NULL)
 				return -ENOMEM;
@@ -421,6 +439,9 @@ int tplg_parse_stream_caps(snd_tplg_t *tplg,
 		}
 
 		if (strcmp(id, "rates") == 0) {
+			if (snd_config_get_string(n, &val) < 0)
+				return -EINVAL;
+
 			s = strdup(val);
 			if (!s)
 				return -ENOMEM;
@@ -436,68 +457,68 @@ int tplg_parse_stream_caps(snd_tplg_t *tplg,
 		}
 
 		if (strcmp(id, "rate_min") == 0) {
-			sc->rate_min = atoi(val);
-			tplg_dbg("\t\t%s: %d\n", id, sc->rate_min);
+			if (parse_unsigned(n, &sc->rate_min))
+				return -EINVAL;
 			continue;
 		}
 
 		if (strcmp(id, "rate_max") == 0) {
-			sc->rate_max = atoi(val);
-			tplg_dbg("\t\t%s: %d\n", id, sc->rate_max);
+			if (parse_unsigned(n, &sc->rate_max))
+				return -EINVAL;
 			continue;
 		}
 
 		if (strcmp(id, "channels_min") == 0) {
-			sc->channels_min = atoi(val);
-			tplg_dbg("\t\t%s: %d\n", id, sc->channels_min);
+			if (parse_unsigned(n, &sc->channels_min))
+				return -EINVAL;
 			continue;
 		}
 
 		if (strcmp(id, "channels_max") == 0) {
-			sc->channels_max = atoi(val);
-			tplg_dbg("\t\t%s: %d\n", id, sc->channels_max);
+			if (parse_unsigned(n, &sc->channels_max))
+				return -EINVAL;
 			continue;
 		}
 
 		if (strcmp(id, "periods_min") == 0) {
-			sc->periods_min = atoi(val);
-			tplg_dbg("\t\t%s: %d\n", id, sc->periods_min);
+			if (parse_unsigned(n, &sc->periods_min))
+				return -EINVAL;
 			continue;
 		}
 
 		if (strcmp(id, "periods_max") == 0) {
-			sc->periods_max = atoi(val);
-			tplg_dbg("\t\t%s: %d\n", id, sc->periods_max);
+			if (parse_unsigned(n, &sc->periods_max))
+				return -EINVAL;
 			continue;
 		}
 
 		if (strcmp(id, "period_size_min") == 0) {
-			sc->period_size_min = atoi(val);
-			tplg_dbg("\t\t%s: %d\n", id, sc->period_size_min);
+			if (parse_unsigned(n, &sc->period_size_min))
+				return -EINVAL;
 			continue;
 		}
 
 		if (strcmp(id, "period_size_max") == 0) {
-			sc->period_size_max = atoi(val);
-			tplg_dbg("\t\t%s: %d\n", id, sc->period_size_max);
+			if (parse_unsigned(n, &sc->period_size_max))
+				return -EINVAL;
 			continue;
 		}
 
 		if (strcmp(id, "buffer_size_min") == 0) {
-			sc->buffer_size_min = atoi(val);
-			tplg_dbg("\t\t%s: %d\n", id, sc->buffer_size_min);
+			if (parse_unsigned(n, &sc->buffer_size_min))
+				return -EINVAL;
 			continue;
 		}
 
 		if (strcmp(id, "buffer_size_max") == 0) {
-			sc->buffer_size_max = atoi(val);
-			tplg_dbg("\t\t%s: %d\n", id, sc->buffer_size_max);
+			if (parse_unsigned(n, &sc->buffer_size_max))
+				return -EINVAL;
 			continue;
 		}
 
 		if (strcmp(id, "sig_bits") == 0) {
-			sc->sig_bits = atoi(val);
-			tplg_dbg("\t\t%s: %d\n", id, sc->sig_bits);
+			if (parse_unsigned(n, &sc->sig_bits))
+				return -EINVAL;
 			continue;
 		}
 
@@ -674,11 +695,8 @@ int tplg_parse_pcm(snd_tplg_t *tplg, snd_config_t *cfg,
 			continue;
 
 		if (strcmp(id, "id") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &pcm->pcm_id))
 				return -EINVAL;
-
-			pcm->pcm_id = atoi(val);
-			tplg_dbg("\t%s: %d\n", id, pcm->pcm_id);
 			continue;
 		}
 
@@ -784,30 +802,21 @@ int tplg_parse_dai(snd_tplg_t *tplg, snd_config_t *cfg,
 			continue;
 
 		if (strcmp(id, "id") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &dai->dai_id))
 				return -EINVAL;
-
-			dai->dai_id = atoi(val);
-			tplg_dbg("\t%s: %d\n", id, dai->dai_id);
 			continue;
 		}
 
 		if (strcmp(id, "playback") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &dai->playback))
 				return -EINVAL;
-
-			dai->playback = atoi(val);
-			tplg_dbg("\t%s: %d\n", id, dai->playback);
 			continue;
 		}
 
 
 		if (strcmp(id, "capture") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &dai->capture))
 				return -EINVAL;
-
-			dai->capture = atoi(val);
-			tplg_dbg("\t%s: %d\n", id, dai->capture);
 			continue;
 		}
 
@@ -949,11 +958,8 @@ int tplg_parse_link(snd_tplg_t *tplg,
 			continue;
 
 		if (strcmp(id, "id") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &link->id))
 				return -EINVAL;
-
-			link->id = atoi(val);
-			tplg_dbg("\t%s: %d\n", id, link->id);
 			continue;
 		}
 
@@ -975,10 +981,8 @@ int tplg_parse_link(snd_tplg_t *tplg,
 		}
 
 		if (strcmp(id, "default_hw_conf_id") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &link->default_hw_config_id))
 				return -EINVAL;
-
-			link->default_hw_config_id = atoi(val);
 			continue;
 		}
 
@@ -1030,7 +1034,7 @@ int tplg_parse_cc(snd_tplg_t *tplg,
 	struct tplg_elem *elem;
 	snd_config_iterator_t i, next;
 	snd_config_t *n;
-	const char *id, *val = NULL;
+	const char *id;
 
 	elem = tplg_elem_new_common(tplg, cfg, NULL, SND_TPLG_TYPE_CC);
 	if (!elem)
@@ -1054,11 +1058,8 @@ int tplg_parse_cc(snd_tplg_t *tplg,
 			continue;
 
 		if (strcmp(id, "id") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &link->id))
 				return -EINVAL;
-
-			link->id = atoi(val);
-			tplg_dbg("\t%s: %d\n", id, link->id);
 			continue;
 		}
 
@@ -1130,11 +1131,8 @@ int tplg_parse_hw_config(snd_tplg_t *tplg, snd_config_t *cfg,
 			continue;
 
 		if (strcmp(id, "id") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &hw_cfg->id))
 				return -EINVAL;
-
-			hw_cfg->id = atoi(val);
-			tplg_dbg("\t%s: %d\n", id, hw_cfg->id);
 			continue;
 		}
 
@@ -1173,10 +1171,8 @@ int tplg_parse_hw_config(snd_tplg_t *tplg, snd_config_t *cfg,
 
 		if (strcmp(id, "bclk_freq") == 0 ||
 		    strcmp(id, "bclk_rate") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &hw_cfg->bclk_rate))
 				return -EINVAL;
-
-			hw_cfg->bclk_rate = atoi(val);
 			continue;
 		}
 
@@ -1223,19 +1219,15 @@ int tplg_parse_hw_config(snd_tplg_t *tplg, snd_config_t *cfg,
 
 		if (strcmp(id, "fsync_freq") == 0 ||
 		    strcmp(id, "fsync_rate") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &hw_cfg->fsync_rate))
 				return -EINVAL;
-
-			hw_cfg->fsync_rate = atoi(val);
 			continue;
 		}
 
 		if (strcmp(id, "mclk_freq") == 0 ||
 		    strcmp(id, "mclk_rate") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &hw_cfg->mclk_rate))
 				return -EINVAL;
-
-			hw_cfg->mclk_rate = atoi(val);
 			continue;
 		}
 
@@ -1275,50 +1267,38 @@ int tplg_parse_hw_config(snd_tplg_t *tplg, snd_config_t *cfg,
 		}
 
 		if (strcmp(id, "tdm_slots") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &hw_cfg->tdm_slots))
 				return -EINVAL;
-
-			hw_cfg->tdm_slots = atoi(val);
 			continue;
 		}
 
 		if (strcmp(id, "tdm_slot_width") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &hw_cfg->tdm_slot_width))
 				return -EINVAL;
-
-			hw_cfg->tdm_slot_width = atoi(val);
 			continue;
 		}
 
 		if (strcmp(id, "tx_slots") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &hw_cfg->tx_slots))
 				return -EINVAL;
-
-			hw_cfg->tx_slots = atoi(val);
 			continue;
 		}
 
 		if (strcmp(id, "rx_slots") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &hw_cfg->rx_slots))
 				return -EINVAL;
-
-			hw_cfg->rx_slots = atoi(val);
 			continue;
 		}
 
 		if (strcmp(id, "tx_channels") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &hw_cfg->tx_channels))
 				return -EINVAL;
-
-			hw_cfg->tx_channels = atoi(val);
 			continue;
 		}
 
 		if (strcmp(id, "rx_channels") == 0) {
-			if (snd_config_get_string(n, &val) < 0)
+			if (parse_unsigned(n, &hw_cfg->rx_channels))
 				return -EINVAL;
-
-			hw_cfg->rx_channels = atoi(val);
 			continue;
 		}
 
diff --git a/src/topology/tplg_local.h b/src/topology/tplg_local.h
index 101491a42e60..991e0b4121bd 100644
--- a/src/topology/tplg_local.h
+++ b/src/topology/tplg_local.h
@@ -280,6 +280,8 @@ struct tplg_elem *tplg_elem_lookup(struct list_head *base,
 struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg,
 	snd_config_t *cfg, const char *name, enum snd_tplg_type type);
 
+int tplg_get_integer(snd_config_t *n, int *val, int base);
+
 int tplg_parse_channel(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
 	snd_config_t *cfg, void *private);
 
-- 
2.16.4

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File 0033-topology-avoid-to-use-the-atoi-directly-when-expecte.patch of Package alsa (Revision 27de3982a69fe8c4175a40c495f09d45)

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