# \[iproute2 PATCH 09/11\] Fix file descriptor leak on error in read\_mroute\_list()

- From: Thomas Jarosch \<hidden\>
- Date: 2011-10-03 15:31:54 
- List: netdev
- Page: https://ratatoskr.run/netdev/2011/10/10879772
- Thread: https://ratatoskr.run/netdev/2011/10/10879772/t.md

```text
Detected by cppcheck.

Signed-off-by: Thomas Jarosch <redacted>
---
 ip/ipmroute.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/ip/ipmroute.c b/ip/ipmroute.c
index f033349..945727d 100644
--- a/ip/ipmroute.c
+++ b/ip/ipmroute.c
@@ -85,8 +85,10 @@ static void read_mroute_list(FILE *ofp)
 	if (!fp)
 		return;
 
-	if (!fgets(buf, sizeof(buf), fp))
+	if (!fgets(buf, sizeof(buf), fp)) {
+		fclose(fp);
 		return;
+	}
 
 	while (fgets(buf, sizeof(buf), fp)) {
 		inet_prefix maddr, msrc;
-- 
1.7.4.4
```