sdio: check that addresses are within the address space
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/drivers/mmc/core/sdio_ops.c b/drivers/mmc/core/sdio_ops.c
index c8fa095..4eb7825f 100644
--- a/drivers/mmc/core/sdio_ops.c
+++ b/drivers/mmc/core/sdio_ops.c
@@ -76,6 +76,10 @@
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 @@
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));