Perform the address length check first, before calling
the the proto specific bind() function
Signed-off-by: Denis Kirjanov <k...@linux-powerpc.org>
---
net/ipv4/af_inet.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 6ad0f7a..333e2fa 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -426,14 +426,15 @@ int inet_bind(struct socket *sock, struct sockaddr
*uaddr, int addr_len)
int chk_addr_ret;
int err;
+ err = -EINVAL;
+ if (addr_len < sizeof(struct sockaddr_in))
+ goto out;
+
/* If the socket has its own bind function then use it. (RAW) */
if (sk->sk_prot->bind) {
err = sk->sk_prot->bind(sk, uaddr, addr_len);
goto out;
}
- err = -EINVAL;
- if (addr_len < sizeof(struct sockaddr_in))
- goto out;
if (addr->sin_family != AF_INET) {
/* Compatibility games : accept AF_UNSPEC (mapped to AF_INET)
--
1.7.10.4
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