MMC hosts, using polling 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@xxxxxx> --- Chris, if this bug is old enough, this should also go to stable eventually. 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 8f86d70..31ae07a 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 */ -- 1.7.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
