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| author | YueHaibing <yuehaibing@huawei.com> | 2019-04-30 19:34:08 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-17 20:38:59 +0100 |
| commit | 709438c431239cc13fc9e0a0483d0c9d05984fa2 (patch) | |
| tree | 33e4605efb2a0ee57554585fd944eaf93d5422f0 /net/appletalk/ddp.c | |
| parent | 39de8cc3678f5cd1f4e0ae274c20acabbd85a8b1 (diff) | |
| download | linux-stable-709438c431239cc13fc9e0a0483d0c9d05984fa2.tar.gz linux-stable-709438c431239cc13fc9e0a0483d0c9d05984fa2.tar.bz2 linux-stable-709438c431239cc13fc9e0a0483d0c9d05984fa2.zip | |
appletalk: Set error code if register_snap_client failed
commit c93ad1337ad06a718890a89cdd85188ff9a5a5cc upstream.
If register_snap_client fails in atalk_init,
error code should be set, otherwise it will
triggers NULL pointer dereference while unloading
module.
Fixes: 9804501fa122 ("appletalk: Fix potential NULL pointer dereference in unregister_snap_client")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/appletalk/ddp.c')
| -rw-r--r-- | net/appletalk/ddp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index ab59c56e0513..b4268bd2e557 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -1927,6 +1927,7 @@ static int __init atalk_init(void) ddp_dl = register_snap_client(ddp_snap_id, atalk_rcv); if (!ddp_dl) { pr_crit("Unable to register DDP with SNAP.\n"); + rc = -ENOMEM; goto out_sock; } |