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>
git-mirror · May 25, 2011 · 87f6119 · 87f6119
1 parent 6a7a6b4
commit 87f6119
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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) {