File 1452-erts-inet-drv-Revert-the-FREE-macro.patch of Package erlang

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File 1452-erts-inet-drv-Revert-the-FREE-macro.patch of Package erlang

From 590947d29afeed39211d2a6cd05d7be39f61f82b Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Wed, 18 May 2022 16:57:44 +0200
Subject: [PATCH 2/3] [erts|inet-drv] Revert the FREE macro

Revert the FREE macro to its previous form (without the
'nullification'). Use explicit NULL instead.

OTP-18102
---
 erts/emulator/drivers/common/inet_drv.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index b6bd30481f..1740da1b53 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -1558,14 +1558,12 @@ static void *realloc_wrapper(void *current, ErlDrvSizeT size){
     return ret;
 }
 #define REALLOC(X,Y) realloc_wrapper(X,Y)
-#define FREE(P) { driver_free((P)); \
-    (P) = NULL;}
+#define FREE(P)      driver_free((P))
 #else /* FATAL_MALLOC */
 
-#define ALLOC(X) driver_alloc((X))
+#define ALLOC(X)     driver_alloc((X))
 #define REALLOC(X,Y) driver_realloc((X), (Y))
-#define FREE(P) { driver_free((P)); \
-    (P) = NULL;}
+#define FREE(P)      driver_free((P))
 
 #endif /* FATAL_MALLOC */
 
@@ -5908,6 +5906,7 @@ static ErlDrvSSizeT inet_ctl_getifaddrs(inet_descriptor* desc_p,
 	    }
 	    if (! i) {
 		FREE(ip_adaddrs_p);
+                ip_adaddrs_p = NULL;
 	    }
 	} else ip_adaddrs_p = NULL;
     }
@@ -5926,7 +5925,10 @@ static ErlDrvSSizeT inet_ctl_getifaddrs(inet_descriptor* desc_p,
 	    i = 0;
 	    break;
 	}
-	if (! i) FREE(info_p);
+	if (! i) {
+            FREE(info_p);
+            info_p = NULL;
+        }
     }
 
     if (! ip_adaddrs_p) {
-- 
2.35.3

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File 1452-erts-inet-drv-Revert-the-FREE-macro.patch of Package erlang

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