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author | Christophe Leroy <christophe.leroy@c-s.fr> | 2015-04-23 12:11:47 (GMT) |
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committer | Mark Brown <broonie@kernel.org> | 2015-04-24 12:27:53 (GMT) |
commit | 73ee39a4c944a11cfd6d43ba1f634da340bf5537 (patch) | |
tree | a3e0901686cbc8f4a8e326b81c3230b2f6e3747b /drivers/spi/spi-fsl-cpm.c | |
parent | 575bec53181526ed01c0936ec008e1b70f8f5f31 (diff) | |
download | linux-73ee39a4c944a11cfd6d43ba1f634da340bf5537.tar.xz |
spi: fsl-spi: fix devm_ioremap_resource() error case
devm_ioremap_resource() doesn't return NULL but an ERR_PTR on error.
Reported-by: Jonas Gorsky <jogo@openwrt.org>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-fsl-cpm.c')
-rw-r--r-- | drivers/spi/spi-fsl-cpm.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/spi/spi-fsl-cpm.c b/drivers/spi/spi-fsl-cpm.c index 6f466ab..896add8 100644 --- a/drivers/spi/spi-fsl-cpm.c +++ b/drivers/spi/spi-fsl-cpm.c @@ -310,10 +310,15 @@ int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi) if (mspi->flags & SPI_CPM1) { struct resource *res; + void *pram; res = platform_get_resource(to_platform_device(dev), IORESOURCE_MEM, 1); - mspi->pram = devm_ioremap_resource(dev, res); + pram = devm_ioremap_resource(dev, res); + if (IS_ERR(pram)) + mspi->pram = NULL; + else + mspi->pram = pram; } else { unsigned long pram_ofs = fsl_spi_cpm_get_pram(mspi); |