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authorHangyu Hua <hbh25y@gmail.com>2022-01-24 11:29:54 +0800
committerDavid S. Miller <davem@davemloft.net>2022-01-25 11:04:55 +0000
commit29eb31542787e1019208a2e1047bb7c76c069536 (patch)
treea0d9f40a3d45c14be5f54db69bbefbba787399dc /drivers/net/hamradio/yam.c
parentc74ead223deb88bdf18af8c772d7ca5a9b6c3c2b (diff)
yam: fix a memory leak in yam_siocdevprivate()
ym needs to be free when ym->cmd != SIOCYAMSMCS. Fixes: 0781168e23a2 ("yam: fix a missing-check bug") Signed-off-by: Hangyu Hua <hbh25y@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hamradio/yam.c')
-rw-r--r--drivers/net/hamradio/yam.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index 6376b8485976..980f2be32f05 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -950,9 +950,7 @@ static int yam_siocdevprivate(struct net_device *dev, struct ifreq *ifr, void __
ym = memdup_user(data, 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;
}