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| author | Axel Lin <axel.lin@ingics.com> | 2014-04-02 16:21:04 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-04-03 12:13:38 +0200 |
| commit | 0a6d38795a405c49ea0012f04173613382def58c (patch) | |
| tree | 41cca48cd41bdf3c9034b8f59ff5f4079f9bdaf2 /drivers/spi/spi-fsl-espi.c | |
| parent | Linux 3.14 (diff) | |
| download | linux-0a6d38795a405c49ea0012f04173613382def58c.tar.xz linux-0a6d38795a405c49ea0012f04173613382def58c.zip | |
spi: Always check complete callback before calling it
Since commit 1e25cd4729bd "spi: Do not require a completion", this checking is
required to prevent NULL pointer dereference.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-fsl-espi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-espi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index 428dc7a6b62e..e8e3d34bab07 100644 --- a/drivers/spi/spi-fsl-espi.c +++ b/drivers/spi/spi-fsl-espi.c @@ -446,7 +446,8 @@ static void fsl_espi_do_one_msg(struct spi_message *m) m->actual_length = espi_trans.actual_length; m->status = espi_trans.status; - m->complete(m->context); + if (m->complete) + m->complete(m->context); } static int fsl_espi_setup(struct spi_device *spi) |