* [PATCH 1/2] mmc: core: Fix use of uninitialized data in mmc_send_if_cond.
@ 2011-04-13 20:32 Chris Ball
0 siblings, 0 replies; only message in thread
From: Chris Ball @ 2011-04-13 20:32 UTC (permalink / raw)
To: linux-mmc; +Cc: Chris Ball
mmc_send_if_cond did not zero out mmc_command on stack.
Signed-off-by: Chris Ball <cjb@laptop.org>
---
drivers/mmc/core/sd_ops.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c
index 71fdb07..da50849 100644
--- a/drivers/mmc/core/sd_ops.c
+++ b/drivers/mmc/core/sd_ops.c
@@ -201,6 +201,8 @@ int mmc_send_if_cond(struct mmc_host *host, u32 ocr)
static const u8 test_pattern = 0xAA;
u8 result_pattern;
+ memset(&cmd, 0, sizeof(struct mmc_command));
+
/*
* To support SD 2.0 cards, we must always invoke SD_SEND_IF_COND
* before SD_APP_OP_COND. This command will harmlessly fail for
--
1.7.0.1
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2011-04-13 20:32 [PATCH 1/2] mmc: core: Fix use of uninitialized data in mmc_send_if_cond Chris Ball
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