diff mbox

[v6,05/14] spi: qup: Fix error handling in spi_qup_prep_sg

Message ID 1501224781-19519-6-git-send-email-varada@codeaurora.org (mailing list archive)
State Accepted
Headers show

Commit Message

Varadarajan Narayanan July 28, 2017, 6:52 a.m. UTC 
Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
---
 drivers/spi/spi-qup.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index f1aa5c1..ef95294 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -311,8 +311,8 @@  static int spi_qup_prep_sg(struct spi_master *master, struct spi_transfer *xfer,
 	}
 
 	desc = dmaengine_prep_slave_sg(chan, sgl, nents, dir, flags);
-	if (!desc)
-		return -EINVAL;
+	if (IS_ERR_OR_NULL(desc))
+		return desc ? PTR_ERR(desc) : -EINVAL;
 
 	desc->callback = callback;
 	desc->callback_param = qup;