rapidio: fix a NULL pointer dereference when create_workqueue() fails
[ Upstream commit 23015b22e47c5409620b1726a677d69e5cd032ba ] In case create_workqueue fails, the fix releases resources and returns -ENOMEM to avoid NULL pointer dereference. Signed-off-by: NKangjie Lu <kjlu@umn.edu> Acked-by: NAlexandre Bounine <alex.bou9@gmail.com> Cc: Matt Porter <mporter@kernel.crashing.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org> Signed-off-by: NSasha Levin <sashal@kernel.org>
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