From 46d74c38eba22bee848c205e8a98fc4b6b53a081 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 19 May 2015 15:25:24 +0300 Subject: [PATCH] staging: slicoss: restore IRQs correctly after slic_cmdq_reset() We can't save two different values in "flags" so it means that IRQs are not enabled properly at the end of this function. This isn't a problem in the current code because it's always called with IRQs disabled so we don't want to enable them at the end. This bug is old but it's thanks to David Matlack's recent cleanups that Smatch can detect it. Signed-off-by: Dan Carpenter Reviewed-by: David Matlack Signed-off-by: Greg Kroah-Hartman --- drivers/staging/slicoss/slicoss.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c index 5f34ebbf..a609f3e 100644 --- a/drivers/staging/slicoss/slicoss.c +++ b/drivers/staging/slicoss/slicoss.c @@ -1392,7 +1392,7 @@ static void slic_cmdq_reset(struct adapter *adapter) unsigned long flags; spin_lock_irqsave(&adapter->cmdq_free.lock, flags); - spin_lock_irqsave(&adapter->cmdq_done.lock, flags); + spin_lock(&adapter->cmdq_done.lock); outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count; outstanding -= adapter->cmdq_free.count; hcmd = adapter->cmdq_all.head; @@ -1423,7 +1423,7 @@ static void slic_cmdq_reset(struct adapter *adapter) "free_count %d != all count %d\n", adapter->cmdq_free.count, adapter->cmdq_all.count); } - spin_unlock_irqrestore(&adapter->cmdq_done.lock, flags); + spin_unlock(&adapter->cmdq_done.lock); spin_unlock_irqrestore(&adapter->cmdq_free.lock, flags); } -- 2.7.4