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authorChristian Grothoff <christian@grothoff.org>2021-05-15 19:52:58 +0200
committerChristian Grothoff <christian@grothoff.org>2021-05-15 19:53:06 +0200
commitb0c9eac44e7f4b1325c91108394c269b2c491fb7 (patch)
tree31d0a79cf4d0e5a9dde90f208e05b05112590082
parent7dc8165b9b94b23cbb5bf23977d1cd7523ecb16e (diff)
-add NULL check
-rw-r--r--src/util/common_allocation.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/util/common_allocation.c b/src/util/common_allocation.c
index 215df55d4..308488131 100644
--- a/src/util/common_allocation.c
+++ b/src/util/common_allocation.c
@@ -327,8 +327,12 @@ GNUNET_xrealloc_ (void *ptr, size_t n, const char *filename, int linenumber)
* @param linenumber where in the code was the call to GNUNET_free()
*/
void
-GNUNET_xfree_ (void *ptr, const char *filename, int linenumber)
+GNUNET_xfree_ (void *ptr,
+ const char *filename,
+ int linenumber)
{
+ if (NULL == ptr)
+ return;
#ifdef W32_MEM_LIMIT
ptr = &((size_t *) ptr)[-1];
mem_used -= *((size_t *) ptr);