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Commit 30574ed1 authored by Chris Ball's avatar Chris Ball
Browse files

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: default avatarChris Ball <cjb@laptop.org>
parent 87f6119e

drivers/mmc/core/sd_ops.c

+2 −0
Original line number Diff line number Diff line
@@ -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