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nfc: Fix to check for kmemdup failure

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In case of kmemdup failure while setting the service name the patch
returns -ENOMEM upstream for processing.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Aditya Pakki 2019-03-18 22:19:44 -05:00 committed by David S. Miller
parent a3e23f719f
commit d7737d4257
1 changed files with 7 additions and 2 deletions
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9
net/nfc/llcp_sock.c
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@ -726,6 +726,10 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr,
llcp_sock->service_name = kmemdup(addr->service_name,
llcp_sock->service_name_len,
GFP_KERNEL);
if (!llcp_sock->service_name) {
ret = -ENOMEM;
goto sock_llcp_release;
}
nfc_llcp_sock_link(&local->connecting_sockets, sk);
@ -745,10 +749,11 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr,
return ret;
sock_unlink:
nfc_llcp_put_ssap(local, llcp_sock->ssap);
nfc_llcp_sock_unlink(&local->connecting_sockets, sk);
sock_llcp_release:
nfc_llcp_put_ssap(local, llcp_sock->ssap);
put_dev:
nfc_put_device(dev);