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authorSamuel Ortiz <sameo@linux.intel.com>2012-06-29 12:03:55 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-07-09 16:42:22 -0400
commitc66433dc5dda15861dcbac63a97645771d14feb6 (patch)
tree5b7571d461d2df8fd2fa5d430352273fafdbc8f8 /net/nfc
parenta831b9132065e1aa18acd7910d5f9c164a2f350f (diff)
downloadlinux-c66433dc5dda15861dcbac63a97645771d14feb6.tar.bz2
NFC: Dereference LLCP bind socket address after checking for it to be NULL
Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc')
-rw-r--r--net/nfc/llcp/sock.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c
index e5d80142b825..6152d05f8378 100644
--- a/net/nfc/llcp/sock.c
+++ b/net/nfc/llcp/sock.c
@@ -78,11 +78,11 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
struct sockaddr_nfc_llcp llcp_addr;
int len, ret = 0;
- pr_debug("sk %p addr %p family %d\n", sk, addr, addr->sa_family);
-
if (!addr || addr->sa_family != AF_NFC)
return -EINVAL;
+ pr_debug("sk %p addr %p family %d\n", sk, addr, addr->sa_family);
+
memset(&llcp_addr, 0, sizeof(llcp_addr));
len = min_t(unsigned int, sizeof(llcp_addr), alen);
memcpy(&llcp_addr, addr, len);