diff mbox

[06/15] spi: qup: Fix error handling in spi_qup_prep_sg

Message ID 1497603538-12750-7-git-send-email-varada@codeaurora.org (mailing list archive)
State New, archived
Headers show

Commit Message

Varadarajan Narayanan June 16, 2017, 8:58 a.m. UTC 
Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
---
 drivers/spi/spi-qup.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index 363bd43..2124815 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -310,8 +310,8 @@  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 = data;