mmc: core: Fix possible NULL pointer dereference



Add necessary sanity checks to fix possible NULL pointer
deference within function mmc_suspend_host().

CRs-fixed: 566915
Change-Id: I806b0384e0ba6b7d51629390d04d6cf24db27a11
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>

parent bcb87d5a

drivers/mmc/core/core.c

+7 −4

Original line number	Diff line number	Diff line
		@@ -3617,10 +3617,13 @@ int mmc_suspend_host(struct mmc_host *host)

		if (!err) {
		if (host->bus_ops->suspend) {
		if (host->card) {
		err = mmc_stop_bkops(host->card);
		if (err)
		goto out;
		}
		err = host->bus_ops->suspend(host);
		if (host->card)
		MMC_UPDATE_BKOPS_STATS_SUSPEND(host->
		card->bkops_info.bkops_stats);
		}