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cfg80211: fix memory leak of wiphy device name 

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>
This commit is contained in:
Eric Biggers 2019-06-10 13:02:19 -07:00 committed by Johannes Berg
parent 1a473d6092
commit 4f488fbca2
1 changed files with 1 additions and 1 deletions
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2
net/wireless/core.c
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@ -513,7 +513,7 @@ struct wiphy *wiphy_new_nm(const struct cfg80211_ops *ops, int sizeof_priv,
&rdev->rfkill_ops, rdev);
if (!rdev->rfkill) {
kfree(rdev);
wiphy_free(&rdev->wiphy);
return NULL;
}