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authorIngo Molnar <mingo@elte.hu>2009-01-16 10:09:10 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-16 10:09:10 +0100
commitaf2519fb2298cdf7540082c36f4d8c66bbff103f (patch)
tree1d290d28d42d42f9e693457762c4008988628060 /drivers/gpio/mcp23s08.c
parent961d7d0ee5150e0197cc81c2a8884ecb230276e2 (diff)
parent7cb36b6ccdca03bd87e8faca7fd920643dd1aec7 (diff)
downloadlinux-stable-af2519fb2298cdf7540082c36f4d8c66bbff103f.tar.gz
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Merge branch 'linus' into core/iommu
Conflicts: arch/ia64/include/asm/dma-mapping.h arch/ia64/include/asm/machvec.h arch/ia64/include/asm/machvec_sn2.h
Diffstat (limited to 'drivers/gpio/mcp23s08.c')
-rw-r--r--drivers/gpio/mcp23s08.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpio/mcp23s08.c b/drivers/gpio/mcp23s08.c
index 89c1d222e9d1..f6fae0e50e65 100644
--- a/drivers/gpio/mcp23s08.c
+++ b/drivers/gpio/mcp23s08.c
@@ -310,8 +310,10 @@ static int mcp23s08_probe(struct spi_device *spi)
unsigned base;
pdata = spi->dev.platform_data;
- if (!pdata || !gpio_is_valid(pdata->base))
- return -ENODEV;
+ if (!pdata || !gpio_is_valid(pdata->base)) {
+ dev_dbg(&spi->dev, "invalid or missing platform data\n");
+ return -EINVAL;
+ }
for (addr = 0; addr < 4; addr++) {
if (!pdata->chip[addr].is_present)