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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2010-11-11 17:32:25 +0100 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2010-11-11 18:42:38 -0500 |
| commit | d9bcbf343ec63e1104b5276195888ee06b4d086f (patch) | |
| tree | 984a835176d14eb49c77cded4f56a1d130b45461 | |
| parent | 35ac6f081f26e1b6b3482b9c8dfccebe7817c691 (diff) | |
| download | blackbird-op-linux-d9bcbf343ec63e1104b5276195888ee06b4d086f.tar.gz blackbird-op-linux-d9bcbf343ec63e1104b5276195888ee06b4d086f.zip | |
mmc: fix rmmod race for hosts using card-detection polling
MMC hosts that poll for card detection by defining the MMC_CAP_NEEDS_POLL
flag have a race on rmmod, where the delayed work is cancelled without
waiting for completed polling. To prevent this a _sync version of the work
cancellation has to be used.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: <stable@kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
| -rw-r--r-- | drivers/mmc/core/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 8f86d702e46e..31ae07a36576 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1559,7 +1559,7 @@ void mmc_stop_host(struct mmc_host *host) if (host->caps & MMC_CAP_DISABLE) cancel_delayed_work(&host->disable); - cancel_delayed_work(&host->detect); + cancel_delayed_work_sync(&host->detect); mmc_flush_scheduled_work(); /* clear pm flags now and let card drivers set them as needed */ |
