This is a note to let you know that I've just added the patch titled wl3501_cs: Remove unnecessary NULL check to the 5.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: wl3501_cs-remove-unnecessary-null-check.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit b36352bf9fdd7de7a64645153974a7cbd0efbd00 Author: Alex Dewar <alex.dewar90@xxxxxxxxx> Date: Sat Sep 26 18:45:58 2020 +0100 wl3501_cs: Remove unnecessary NULL check [ Upstream commit 1d2a85382282e7c77cbde5650335c3ffc6073fa1 ] In wl3501_detach(), link->priv is checked for a NULL value before being passed to free_netdev(). However, it cannot be NULL at this point as it has already been passed to other functions, so just remove the check. Addresses-Coverity: CID 710499: Null pointer dereferences (REVERSE_INULL) Signed-off-by: Alex Dewar <alex.dewar90@xxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20200926174558.9436-1-alex.dewar90@xxxxxxxxx Stable-dep-of: 391af06a02e7 ("wifi: wl3501_cs: Fix an error handling path in wl3501_probe()") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c index b66c7d4798977..cf67ea13dd8dc 100644 --- a/drivers/net/wireless/wl3501_cs.c +++ b/drivers/net/wireless/wl3501_cs.c @@ -1437,9 +1437,7 @@ static void wl3501_detach(struct pcmcia_device *link) wl3501_release(link); unregister_netdev(dev); - - if (link->priv) - free_netdev(link->priv); + free_netdev(dev); } static int wl3501_get_name(struct net_device *dev, struct iw_request_info *info,