shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 04:10:18 +09:00
Code Issues Packages Projects Releases Wiki Activity

cfg80211: fix memory leak of wiphy device name

Browse Source 
commit 4f488fbca2 upstream.

In wiphy_new_nm(), if an error occurs after dev_set_name() and
device_initialize() have already been called, it's necessary to call
put_device() (via wiphy_free()) to avoid a memory leak.

Reported-by: syzbot+7fddca22578bc67c3fe4@syzkaller.appspotmail.com
Fixes: 1f87f7d3a3 ("cfg80211: add rfkill support")
Cc: stable@vger.kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Eric Biggers
2019-06-10 13:02:19 -07:00
committed by Greg Kroah-Hartman
parent b79e58acda
commit 3aca04068a
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
net/wireless/core.c
View File

@@ -447,7 +447,7 @@ use_default_name:
&rdev->rfkill_ops, rdev);
if (!rdev->rfkill) {
kfree(rdev);
wiphy_free(&rdev->wiphy);
return NULL;
}