[PATCH v6 05/14] spi: qup: Fix error handling in spi_qup_prep_sg
From: Varadarajan Narayanan <hidden>
Date: 2017-07-28 06:53:38
Also in:
linux-arm-msm, linux-spi, lkml
Subsystem:
arm/qualcomm mailing list, spi subsystem, the rest · Maintainers:
Mark Brown, Linus Torvalds
Signed-off-by: Varadarajan Narayanan <redacted> --- drivers/spi/spi-qup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
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;
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