mac80211: fix mesh forwarding when ratelimited too
Commit b51aff05 said: Under memory pressure, the mac80211 mesh code may helpfully print a message that it failed to clone a mesh frame and then will proceed to crash trying to use it anyway. Fix that. Avoid the reference whenever the frame copy is unsuccessful regardless of the debug message being suppressed or printed. Cc: stable@kernel.org [2.6.27+] Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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