Before invoking a card's resume handler, verify one exists.
Signed-off-by: Ohad Ben-Cohen <o...@wizery.com>
---
drivers/mmc/core/sdio.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index 645f173..37739f5 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -504,7 +504,9 @@ static int mmc_sdio_resume(struct mmc_host *host)
struct sdio_func *func = host->card->sdio_func[i];
if (func && sdio_func_present(func) && func->dev.driver) {
const struct dev_pm_ops *pmops = func->dev.driver->pm;
- err = pmops->resume(&func->dev);
+
+ if (pmops && pmops->resume)
+ err = pmops->resume(&func->dev);
}
}
--
1.7.0.4
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