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path: root/drivers/mmc/host/at91_mci.c
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Diffstat (limited to 'drivers/mmc/host/at91_mci.c')
-rw-r--r--drivers/mmc/host/at91_mci.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index 8ec317802347..6ba98a49612d 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -428,6 +428,14 @@ static void at91_mci_send_command(struct at91mci_host *host, struct mmc_command
}
if (data) {
+
+ if ( data->blksz & 0x3 ) {
+ pr_debug("Unsupported block size\n");
+ cmd->error = -EINVAL;
+ mmc_request_done(host->mmc, host->request);
+ return;
+ }
+
block_length = data->blksz;
blocks = data->blocks;