[PATCH] can: Fix error handling in softing_netdev_open

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



If softing_netdev_open failed, we should call
close_candev to avoid reference leak.

Fixes: 03fd3cf5a179d ("can: add driver for Softing card")
Signed-off-by: Zhang Qilong <zhangqilong3@xxxxxxxxxx>
---
 drivers/net/can/softing/softing_main.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/net/can/softing/softing_main.c b/drivers/net/can/softing/softing_main.c
index 03a68bb486fd..40070c930202 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;
 }
 
-- 
2.25.4




[Index of Archives]     [Automotive Discussions]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]     [CAN Bus]

  Powered by Linux