diff options
Diffstat (limited to 'drivers/mmc/host/mmci.c')
| -rw-r--r-- | drivers/mmc/host/mmci.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index d53e9a8bdaa2..4a72772f4fe4 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -391,6 +391,14 @@ static void mmci_request(struct mmc_host *mmc, struct mmc_request *mrq) WARN_ON(host->mrq != NULL); + if (mrq->data && (hweight32(mrq->data->blksz) > 1)) { + printk(KERN_ERR "%s: Unsupported block size (%d bytes)\n", + mmc_hostname(mmc), mrq->data->blksz); + mrq->cmd->error = -EINVAL; + mmc_request_done(mmc, mrq); + return; + } + spin_lock_irq(&host->lock); host->mrq = mrq; |