From: Andrei Warkentin <andreiw@motorola.com>
Date: Wed, 13 Apr 2011 20:33:12 +0000 (-0500)
Subject: mmc: core: Fix use of uninitialized data in mmc_cmd_app.
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=87f6119e25bbe0fd60e76f599d5fa10cf489519c;p=deliverable%2Flinux.git

mmc: core: Fix use of uninitialized data in mmc_cmd_app.

mmc_cmd_app did not zero out mmc_command on stack.

Reported-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: Andrei Warkentin <andreiw@motorola.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c
index 76af349c14b4..71fdb07fd8de 100644
--- a/drivers/mmc/core/sd_ops.c
+++ b/drivers/mmc/core/sd_ops.c
@@ -29,6 +29,8 @@ static int mmc_app_cmd(struct mmc_host *host, struct mmc_card *card)
 	BUG_ON(!host);
 	BUG_ON(card && (card->host != host));
 
+	memset(&cmd, 0, sizeof(struct mmc_command));
+
 	cmd.opcode = MMC_APP_CMD;
 
 	if (card) {