From: Eric Biggers ebiggers@google.com
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
--- net/wireless/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -447,7 +447,7 @@ use_default_name: &rdev->rfkill_ops, rdev);
if (!rdev->rfkill) { - kfree(rdev); + wiphy_free(&rdev->wiphy); return NULL; }