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mosquitto: fix crash on client disconnect

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Patch backported from upstream.  Was only noticed on musl and freebsd
clients.  See https://bugs.eclipse.org/bugs/show_bug.cgi?id=475707

Fixes github issue #1692

Signed-off-by: Karl Palsson <karlp@remake.is>
This commit is contained in:
Karl Palsson
2015-08-25 13:47:57 +00:00
parent eaedc37dda
commit 1943d0b44e
2 changed files with 15 additions and 1 deletions
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net/mosquitto/Makefile
+1 -1
View File
@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=mosquitto
PKG_VERSION:=1.4.3
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_LICENSE:=BSD-3-Clause
PKG_LICENSE_FILES:=LICENSE.txt
net/mosquitto/patches/001-free-counting-bug-475707.patch
+14
View File
@@ -0,0 +1,14 @@
diff --git a/lib/memory_mosq.c b/lib/memory_mosq.c
index b1f5bfd..4d8217d 100644
--- a/lib/memory_mosq.c
+++ b/lib/memory_mosq.c
@@ -54,6 +54,9 @@ void *mosquitto__calloc(size_t nmemb, size_t size)
void mosquitto__free(void *mem)
{
#ifdef REAL_WITH_MEMORY_TRACKING
+ if(!mem){
+ return;
+ }
memcount -= malloc_usable_size(mem);
#endif
free(mem);