X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fmmc%2Fcore%2Fsdio_ops.c;h=4eb7825fd1a74ce26618c38d27d3b780cc21556d;hb=2a0f5cb32772e9a9560209e241a80bfbbc31dbc3;hp=c8fa095a4488689bb9ae35dee41bd482abe3a157;hpb=ce1d5b23a8d1e19866ab82bdec0dc41fde5273d8;p=mv-sheeva.git

diff --git a/drivers/mmc/core/sdio_ops.c b/drivers/mmc/core/sdio_ops.c
index c8fa095a448..4eb7825fd1a 100644
--- a/drivers/mmc/core/sdio_ops.c
+++ b/drivers/mmc/core/sdio_ops.c
@@ -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));