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

mmc_send_if_cond did not zero out mmc_command on stack.

Signed-off-by: Chris Ball <cjb@laptop.org>
hifive-unleashed-5.1
Chris Ball 2011-04-13 16:25:30 -04:00
parent 87f6119e25
commit 30574ed143
1 changed files with 2 additions and 0 deletions
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2
drivers/mmc/core/sd_ops.c
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@ -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