[ofa-general] [PATCH] libibverbs: fix memory leak in case of error flow

[Dotan Barak]

Don't leak memory when madvise fails.

Signed-off-by: Dotan Barak <dotanb at mellanox.co.il>

---

diff --git a/src/memory.c b/src/memory.c
index 2af7021..70ef713 100644
--- a/src/memory.c
+++ b/src/memory.c
@@ -73,6 +73,7 @@ static int too_late;
 int ibv_fork_init(void)
 {
 	void *tmp;
+	int ret;
 
 	if (mm_root)
 		return 0;
@@ -87,12 +88,14 @@ int ibv_fork_init(void)
 	if (posix_memalign(&tmp, page_size, page_size))
 		return ENOMEM;
 
-	if (madvise(tmp, page_size, MADV_DONTFORK) ||
-	    madvise(tmp, page_size, MADV_DOFORK))
-		return ENOSYS;
+	ret = madvise(tmp, page_size, MADV_DONTFORK) ||
+	    madvise(tmp, page_size, MADV_DOFORK);
 
 	free(tmp);
 
+	if (ret)
+		return ENOSYS;
+
 	mm_root = malloc(sizeof *mm_root);
 	if (!mm_root)
 		return ENOMEM;