This is a note to let you know that I've just added the patch titled
yam: fix a memory leak in yam_siocdevprivate()
to the 5.10-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:
yam-fix-a-memory-leak-in-yam_siocdevprivate.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 2e163ecb17ea8ee900cef2bb20cb4c1f1d062d1d
Author: Hangyu Hua <hbh25y@xxxxxxxxx>
Date: Mon Jan 24 11:29:54 2022 +0800
yam: fix a memory leak in yam_siocdevprivate()
[ Upstream commit 29eb31542787e1019208a2e1047bb7c76c069536 ]
ym needs to be free when ym->cmd != SIOCYAMSMCS.
Fixes: 0781168e23a2 ("yam: fix a missing-check bug")
Signed-off-by: Hangyu Hua <hbh25y@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index 5ab53e9942f30..5d30b3e1806ab 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -951,9 +951,7 @@ static int yam_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
sizeof(struct yamdrv_ioctl_mcs));
if (IS_ERR(ym))
return PTR_ERR(ym);
- if (ym->cmd != SIOCYAMSMCS)
- return -EINVAL;
- if (ym->bitrate > YAM_MAXBITRATE) {
+ if (ym->cmd != SIOCYAMSMCS || ym->bitrate > YAM_MAXBITRATE) {
kfree(ym);
return -EINVAL;
}
