shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-03-26 20:40:24 +09:00
Code Issues Packages Projects Releases Wiki Activity

nfc: llcp: simplify llcp_sock_connect() error paths

Browse Source 
[ Upstream commit ec10fd154d ]

The llcp_sock_connect() error paths were using a mixed way of central
exit (goto) and cleanup

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 6709d4b7bc ("net: nfc: Fix use-after-free caused by nfc_llcp_find_local")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Krzysztof Kozlowski
2022-03-02 20:25:19 +01:00
committed by Greg Kroah-Hartman
parent 91f4ef204e
commit 60ec0058c7
1 changed files with 4 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
net/nfc/llcp_sock.c
View File

@@ -712,10 +712,8 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr,
llcp_sock->local = nfc_llcp_local_get(local);
llcp_sock->ssap = nfc_llcp_get_local_ssap(local);
if (llcp_sock->ssap == LLCP_SAP_MAX) {
nfc_llcp_local_put(llcp_sock->local);
llcp_sock->local = NULL;
ret = -ENOMEM;
goto put_dev;
goto sock_llcp_put_local;
}
llcp_sock->reserved_ssap = llcp_sock->ssap;
@@ -760,8 +758,11 @@ sock_unlink:
sock_llcp_release:
nfc_llcp_put_ssap(local, llcp_sock->ssap);
sock_llcp_put_local:
nfc_llcp_local_put(llcp_sock->local);
llcp_sock->local = NULL;
llcp_sock->dev = NULL;
put_dev:
nfc_put_device(dev);