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| author | Eric Biggers <ebiggers@google.com> | 2019-06-10 13:02:19 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-25 11:36:01 +0800 |
| commit | 17d941dc30337840d962dddbddfdcf9dac7c4b22 (patch) | |
| tree | 018be656054b5968d7eaa9de467f19d569b3d4bb | |
| parent | 5293c79c6f60eafba13694bec1770b3c65507b99 (diff) | |
| download | linux-stable-17d941dc30337840d962dddbddfdcf9dac7c4b22.tar.gz linux-stable-17d941dc30337840d962dddbddfdcf9dac7c4b22.tar.bz2 linux-stable-17d941dc30337840d962dddbddfdcf9dac7c4b22.zip | |
cfg80211: fix memory leak of wiphy device name
commit 4f488fbca2a86cc7714a128952eead92cac279ab 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: 1f87f7d3a3b4 ("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>
| -rw-r--r-- | net/wireless/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index a88551f3bc43..8c92e35a4e81 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -498,7 +498,7 @@ use_default_name: &rdev->rfkill_ops, rdev); if (!rdev->rfkill) { - kfree(rdev); + wiphy_free(&rdev->wiphy); return NULL; } |