mmc: power off once at removal

Fix MMC host stop sequence: power off once.

Signed-off-by: Denis Karpov <[e-mail]>
Signed-off-by: Adrian Hunter <[e-mail]>
Acked-by: Matt Fleming <[e-mail]>
Cc: Ian Molton <[e-mail]>
Cc: "Roberto A. Foglietta" <[e-mail]>
Cc: Jarkko Lavinen <[e-mail]>
Cc: Denis Karpov <[e-mail]>
Cc: Pierre Ossman <[e-mail]>
Cc: Philip Langdale <[e-mail]>
Cc: "Madhusudhan" <[e-mail]>
Cc: <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/mmc/core/core.c

···
 		mmc_claim_host(host);
 		mmc_detach_bus(host);
 		mmc_release_host(host);
+		mmc_bus_put(host);
+		return;
 	}
 	mmc_bus_put(host);