1 files changed, 1 insertions, 1 deletions

diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 4b4d2b779ec1..a00123ebb0ae 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -1735,7 +1735,7 @@ static int ax25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                         res = -EFAULT;
                         break;
                 }
-                if (amount > AX25_NOUID_BLOCK) {
+                if (amount < 0 || amount > AX25_NOUID_BLOCK) {
                         res = -EINVAL;
                         break;
                 }