Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cf795bfb3ad4e2f8f6bb346aa8edb8272d4c70a2
Commit: cf795bfb3ad4e2f8f6bb346aa8edb8272d4c70a2
Parent: 67a61c484735de9bf4f099830ecb4ef2eca95c38
Author: Pierre Ossman <[EMAIL PROTECTED]>
AuthorDate: Wed Jul 11 20:28:02 2007 +0200
Committer: Pierre Ossman <[EMAIL PROTECTED]>
CommitDate: Thu Jul 26 01:53:48 2007 +0200
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 <[EMAIL PROTECTED]>
---
drivers/mmc/core/core.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index e08aa35..3208890 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -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) {
-
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