File 0021-misc-fix-incorrect-usages-of-strerror.patch of Package alsa-utils

From edff9652c050935ad7a0131b5585b4dad5e42296 Mon Sep 17 00:00:00 2001
From: Tianyi Liu <i.pear@outlook.com>
Date: Tue, 21 Nov 2023 23:19:35 +0800
Subject: [PATCH] misc: fix incorrect usages of `strerror`

`strerror` takes the `errno` directly as its argument,
negating it will result in an "Unknown error".

This fixes such usages across multiple modules.

Fixes: https://github.com/alsa-project/alsa-utils/pull/245
Signed-off-by: Tianyi Liu <i.pear@outlook.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 alsaucm/usecase.c     |  2 +-
 nhlt/nhlt-dmic-info.c |  2 +-
 topology/topology.c   | 12 ++++++------
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/alsaucm/usecase.c b/alsaucm/usecase.c
index a5c815591dca..0aea84c6cd1e 100644
--- a/alsaucm/usecase.c
+++ b/alsaucm/usecase.c
@@ -510,7 +510,7 @@ int main(int argc, char *argv[])
 			in = fopen(context->batch, "r");
 			if (in == NULL) {
 				fprintf(stderr, "%s: error failed to open file '%s': %s\n",
-					command, context->batch, strerror(-errno));
+					command, context->batch, strerror(errno));
 				my_exit(context, EXIT_FAILURE);
 			}
 		}
diff --git a/nhlt/nhlt-dmic-info.c b/nhlt/nhlt-dmic-info.c
index f1b085742510..f08dc85d02eb 100644
--- a/nhlt/nhlt-dmic-info.c
+++ b/nhlt/nhlt-dmic-info.c
@@ -404,7 +404,7 @@ int main(int argc, char *argv[])
 		output = fopen(output_file, "w+");
 		if (output == NULL) {
 			fprintf(stderr, "Unable to create output file \"%s\": %s\n",
-						output_file, strerror(-errno));
+						output_file, strerror(errno));
 			res = EXIT_FAILURE;
 			goto out;
 		}
diff --git a/topology/topology.c b/topology/topology.c
index 98b000aa5031..9752f8889367 100644
--- a/topology/topology.c
+++ b/topology/topology.c
@@ -96,7 +96,7 @@ static int load(const char *source_file, void **dst, size_t *dst_size)
 		fd = open(source_file, O_RDONLY);
 		if (fd < 0) {
 			fprintf(stderr, _("Unable to open input file '%s': %s\n"),
-				source_file, strerror(-errno));
+				source_file, strerror(errno));
 			return 1;
 		}
 	}
@@ -120,7 +120,7 @@ static int load(const char *source_file, void **dst, size_t *dst_size)
 		buf = buf2;
 	}
 	if (r < 0) {
-		fprintf(stderr, _("Read error: %s\n"), strerror(-errno));
+		fprintf(stderr, _("Read error: %s\n"), strerror(errno));
 		goto _err;
 	}
 
@@ -177,7 +177,7 @@ static int save(const char *output_file, void *buf, size_t size)
 		fd = open(fname, O_RDWR | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
 		if (fd < 0) {
 			fprintf(stderr, _("Unable to open output file '%s': %s\n"),
-				fname, strerror(-errno));
+				fname, strerror(errno));
 			return 1;
 		}
 	}
@@ -194,11 +194,11 @@ static int save(const char *output_file, void *buf, size_t size)
 	}
 
 	if (r < 0) {
-		fprintf(stderr, _("Write error: %s\n"), strerror(-errno));
+		fprintf(stderr, _("Write error: %s\n"), strerror(errno));
 		if (fd != fileno(stdout)) {
 			if (fname && remove(fname))
 				fprintf(stderr, _("Unable to remove file %s: %s\n"),
-						fname, strerror(-errno));
+						fname, strerror(errno));
 			close(fd);
 		}
 		return 1;
@@ -209,7 +209,7 @@ static int save(const char *output_file, void *buf, size_t size)
 
 	if (fname && rename(fname, output_file)) {
 		fprintf(stderr, _("Unable to rename file '%s' to '%s': %s\n"),
-			fname, output_file, strerror(-errno));
+			fname, output_file, strerror(errno));
 		return 1;
 	}
 
-- 
2.35.3