diff options
| -rw-r--r-- | drivers/mmc/host/s3cmci.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index 2038c93cfd9..bf4df3a82f8 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -289,8 +289,11 @@ static void do_pio_read(struct s3cmci_host *host) * an even multiple of 4. */ if (fifo >= host->pio_bytes) fifo = host->pio_bytes; - else + else { fifo -= fifo & 3; + if (!fifo) + break; + } host->pio_bytes -= fifo; host->pio_count += fifo; @@ -362,8 +365,11 @@ static void do_pio_write(struct s3cmci_host *host) * words, so round down to an even multiple of 4. */ if (fifo >= host->pio_bytes) fifo = host->pio_bytes; - else + else { fifo -= fifo & 3; + if (!fifo) + break; + } host->pio_bytes -= fifo; host->pio_count += fifo; |