Commit be6f19fc authored by Pierre Ossman's avatar Pierre Ossman
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sdio: check that addresses are within the address space 



Signed-off-by: default avatarPierre Ossman <drzeus@drzeus.cx>
parent c8d718f1

drivers/mmc/core/sdio_ops.c

+8 −0
Original line number Diff line number Diff line
@@ -76,6 +76,10 @@ int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn, 
	BUG_ON(!card);

	BUG_ON(fn > 7);



	/* sanity check */

	if (addr & ~0x1FFFF)

		return -EINVAL;



	memset(&cmd, 0, sizeof(struct mmc_command));



	cmd.opcode = SD_IO_RW_DIRECT;
@@ -125,6 +129,10 @@ int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn, 
	WARN_ON(blocks == 0);

	WARN_ON(blksz == 0);



	/* sanity check */

	if (addr & ~0x1FFFF)

		return -EINVAL;



	memset(&mrq, 0, sizeof(struct mmc_request));

	memset(&cmd, 0, sizeof(struct mmc_command));

	memset(&data, 0, sizeof(struct mmc_data));