From 1d4de9edd6c9ad676b20729ab15c04b78e9a50c5 Mon Sep 17 00:00:00 2001 From: Marc Pignat Date: Thu, 9 Aug 2007 13:56:29 +0200 Subject: [PATCH] mmc: at91_mci: disable handling of blocks with size not multiple of 4 bytes This kind of transfer is not supported, so don't advertise it and make it fail early. Signed-off-by: Marc Pignat Signed-off-by: Pierre Ossman --- drivers/mmc/host/at91_mci.c | 8 ++++++++ 1 file changed, 8 insertions(+) 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; -- 2.20.1