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author | Varadarajan Narayanan <varada@codeaurora.org> | 2017-07-28 12:22:52 +0530 |
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committer | Mark Brown <broonie@kernel.org> | 2017-08-08 12:15:18 +0100 |
commit | d9a09a6c0c98d57e5a248c3b9bb10f63d475dfdb (patch) | |
tree | fc43db963afb873311f8fe15c9b4132504fe55bb /drivers/spi/spi-qup.c | |
parent | ce00bab3187f9fc1afac07914959bff0c52547c2 (diff) | |
download | lwn-d9a09a6c0c98d57e5a248c3b9bb10f63d475dfdb.tar.gz lwn-d9a09a6c0c98d57e5a248c3b9bb10f63d475dfdb.zip |
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>
Diffstat (limited to 'drivers/spi/spi-qup.c')
-rw-r--r-- | drivers/spi/spi-qup.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c index f1aa5c15d180..ef952946375a 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; |