[v2,15/20] mmc: sdio: verify existence of resume handler

Commit Message

Ohad Ben Cohen July 21, 2010, 5:33 p.m. UTC

None

Patch

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);
 		}
 	}