Commit cf795bfb authored Jul 11, 2007 by Pierre Ossman

mmc: add a might_sleep() to mmc_claim_host()



In the normal case, the host lock can be claimed directly.
When it cannot, the caller will sleep. Make sure we don't
have any latent bugs by always calling might_sleep().

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

parent 67a61c48

drivers/mmc/core/core.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -260,6 +260,8 @@ void mmc_claim_host(struct mmc_host *host)
		DECLARE_WAITQUEUE(wait, current);
		unsigned long flags;

		might_sleep();

		add_wait_queue(&host->wq, &wait);
		spin_lock_irqsave(&host->lock, flags);
		while (1) {