spi: qup: Fix error handling in spi_qup_prep_sg

Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index f1aa5c1..ef95294 100644 (file)
--- 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;