spi: pic32: fixup wait_for_completion_timeout return handling

wait_for_completion_timeout returns unsigned long not int so the check for
<= 0 should be == 0 here.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/spi/spi-pic32.c b/drivers/spi/spi-pic32.c
index 73db87f805a1..fefb688a3432 100644
--- a/drivers/spi/spi-pic32.c
+++ b/drivers/spi/spi-pic32.c
@@ -507,6 +507,7 @@ static int pic32_spi_one_transfer(struct spi_master *master,
 {
         struct pic32_spi *pic32s;
         bool dma_issued = false;
+        unsigned long timeout;
         int ret;
 
         pic32s = spi_master_get_devdata(master);
@@ -553,8 +554,8 @@ static int pic32_spi_one_transfer(struct spi_master *master,
         }
 
         /* wait for completion */
-        ret = wait_for_completion_timeout(&pic32s->xfer_done, 2 * HZ);
-        if (ret <= 0) {
+        timeout = wait_for_completion_timeout(&pic32s->xfer_done, 2 * HZ);
+        if (timeout == 0) {
                 dev_err(&spi->dev, "wait error/timedout\n");
                 if (dma_issued) {
                         dmaengine_terminate_all(master->dma_rx);