Fix MMC host stop sequence: power off once.

Signed-off-by: Denis Karpov <ext-denis.2.karpov@nokia.com>
Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Acked-by: Matt Fleming <matt@console-pimps.org>
Cc: Ian Molton <ian@mnementh.co.uk>
Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com>
Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Cc: Denis Karpov <ext-denis.2.karpov@nokia.com>
Cc: Pierre Ossman <pierre@ossman.eu>
Cc: Philip Langdale <philipl@overt.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

drivers/mmc/core/core.c

@@ -1143,6 +1143,8 @@ void mmc_stop_host(struct mmc_host *host)
 		mmc_claim_host(host);
 		mmc_detach_bus(host);
 		mmc_release_host(host);
+		mmc_bus_put(host);
+		return;
 	}
 	mmc_bus_put(host);