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authorSudip Mukherjee <sudipm.mukherjee@gmail.com>2015-09-04 15:34:15 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-09-12 18:24:43 -0700
commit360e27a91dd25fb7cf3b2befa1e1a7b4f27828d2 (patch)
treedc6cbc8e2692a42d44c843a7105975a2dc32b0b0 /drivers
parentd42ab0838d040bb57b2368125aeb49a8bf1d2383 (diff)
downloadlinux-360e27a91dd25fb7cf3b2befa1e1a7b4f27828d2.tar.bz2
staging: wilc1000: fix freeing of ERR_PTR
If memdup_user() fails then it will return the error code in ERR_PTR. We were checking it with IS_ERR but then again trying to free it on the error path. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/staging/wilc1000/linux_wlan.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c
index c90c45907422..020ed038130f 100644
--- a/drivers/staging/wilc1000/linux_wlan.c
+++ b/drivers/staging/wilc1000/linux_wlan.c
@@ -2116,10 +2116,8 @@ int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd)
if (size && wrq->u.data.pointer) {
buff = memdup_user(wrq->u.data.pointer, wrq->u.data.length);
- if (IS_ERR(buff)) {
- s32Error = PTR_ERR(buff);
- goto done;
- }
+ if (IS_ERR(buff))
+ return PTR_ERR(buff);
if (strncasecmp(buff, "RSSI", length) == 0) {