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author | Ingo Molnar <mingo@elte.hu> | 2009-01-21 16:37:27 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-01-21 16:37:27 +0100 |
commit | 77835492ed489c0b870f82f4c50687bd267acc0a (patch) | |
tree | d80903ce1b8dd30aa44ccfc756616ad4d6c74d63 /drivers/gpio/mcp23s08.c | |
parent | af37501c792107c2bde1524bdae38d9a247b841a (diff) | |
parent | 1de9e8e70f5acc441550ca75433563d91b269bbe (diff) | |
download | linux-77835492ed489c0b870f82f4c50687bd267acc0a.tar.gz linux-77835492ed489c0b870f82f4c50687bd267acc0a.tar.bz2 linux-77835492ed489c0b870f82f4c50687bd267acc0a.zip |
Merge commit 'v2.6.29-rc2' into perfcounters/core
Conflicts:
include/linux/syscalls.h
Diffstat (limited to 'drivers/gpio/mcp23s08.c')
-rw-r--r-- | drivers/gpio/mcp23s08.c | 6 |
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) |