summaryrefslogtreecommitdiffstats
path: root/net/xdp
diff options
context:
space:
mode:
Diffstat (limited to 'net/xdp')
-rw-r--r--net/xdp/xsk.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index d04f91f4d..562d69f17 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -895,6 +895,8 @@ static int xsk_setsockopt(struct socket *sock, int level, int optname,
struct xsk_queue **q;
int entries;
+ if (optlen < sizeof(entries))
+ return -EINVAL;
if (copy_from_sockptr(&entries, optval, sizeof(entries)))
return -EFAULT;