We check the return value of malloc in print_foreign_topology.
Signed-off-by: Lixiaokeng <lixiaokeng@xxxxxxxxxx>
Signed-off-by: Zhiqiang Liu <liuzhiqiang26@xxxxxxxxxx>
Signed-off-by: Linfeilong <linfeilong@xxxxxxxxxx>
---
libmultipath/foreign.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libmultipath/foreign.c b/libmultipath/foreign.c
index e8f61351..44f32d03 100644
--- a/libmultipath/foreign.c
+++ b/libmultipath/foreign.c
@@ -545,6 +545,10 @@ void print_foreign_topology(int verbosity)
char *buf = NULL, *tmp = NULL;
buf = malloc(buflen);
+ if (!buf) {
+ condlog (0, "malloc buf failed.");
+ return;
+ }
buf[0] = '\0';
while (buf != NULL) {
char *c = buf;
--
--
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