diff options
author | Zhang Qilong <[email protected]> | 2020-12-04 14:35:06 +0100 |
---|---|---|
committer | Jakub Kicinski <[email protected]> | 2020-12-05 13:08:11 -0800 |
commit | 4d1be581ec6b92a338bb7ed23e1381f45ddf336f (patch) | |
tree | ae785fa14e5135aec7ed2fc9f6c5b00bb736960d | |
parent | a54ba3465d86fa5dd7d41bb88c0b5e71fb3b627e (diff) |
can: softing: softing_netdev_open(): fix error handling
If softing_netdev_open() fails, we should call close_candev() to avoid
reference leak.
Fixes: 03fd3cf5a179d ("can: add driver for Softing card")
Signed-off-by: Zhang Qilong <[email protected]>
Acked-by: Kurt Van Dijck <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Marc Kleine-Budde <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
-rw-r--r-- | drivers/net/can/softing/softing_main.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/can/softing/softing_main.c b/drivers/net/can/softing/softing_main.c index 9d2faaa39ce4..c9ca8b9fceb9 100644 --- a/drivers/net/can/softing/softing_main.c +++ b/drivers/net/can/softing/softing_main.c @@ -382,8 +382,13 @@ static int softing_netdev_open(struct net_device *ndev) /* check or determine and set bittime */ ret = open_candev(ndev); - if (!ret) - ret = softing_startstop(ndev, 1); + if (ret) + return ret; + + ret = softing_startstop(ndev, 1); + if (ret < 0) + close_candev(ndev); + return ret; } |