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[ Upstream commit 62e4efe3375eb30292dabaec4481dc04550d3644 ]
This code does:
spin_unlock_irq(&udc->ud.lock);
spin_unlock_irqrestore(&udc->lock, flags);
which does not make sense. In theory, the first unlock could enable
IRQs and then the second _irqrestore could disable them again. There
would be a brief momemt where IRQs were enabled improperly.
In real life, however, this function is always called with IRQs enabled
and the bug does not affect runtime.
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/Yo4hVWcZNYzKEkIQ@kili
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
a9106aec8b