Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755790Ab3D1AHF (ORCPT ); Sat, 27 Apr 2013 20:07:05 -0400 Received: from mail-pd0-f181.google.com ([209.85.192.181]:58945 "EHLO mail-pd0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752770Ab3D1AHD (ORCPT ); Sat, 27 Apr 2013 20:07:03 -0400 From: Namjae Jeon To: cjb@laptop.org Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Namjae Jeon , Namjae Jeon , Vivek Trivedi Subject: [PATCH] mmc: fix refcount leak in power_ro_lock_show Date: Sun, 28 Apr 2013 09:06:49 +0900 Message-Id: <1367107609-2586-1-git-send-email-linkinjeon@gmail.com> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1007 Lines: 34 From: Namjae Jeon when user does cat /sys/block/mmcblk0boot0/ro_lock_until_next_power_on power_ro_lock_show increments md->usage by calling mmc_blk_get but it forgets to call mmc_blk_put to restore md->usage Signed-off-by: Namjae Jeon Signed-off-by: Vivek Trivedi --- drivers/mmc/card/block.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index e12a03c..ae8e1de 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -201,6 +201,7 @@ static ssize_t power_ro_lock_show(struct device *dev, locked = 1; ret = snprintf(buf, PAGE_SIZE, "%d\n", locked); + mmc_blk_put(md); return ret; } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/