diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-01-20 09:23:28 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-20 09:23:28 +0100 |
| commit | 0ce1c383681370964e7f77dd44506aeb3a6ba657 (patch) | |
| tree | 75aa590c636feed7d110c03eddb56cc518fc034c /drivers/gpio/mcp23s08.c | |
| parent | 0a2a18b721abc960fbcada406746877d22340a60 (diff) | |
| parent | 1de9e8e70f5acc441550ca75433563d91b269bbe (diff) | |
Merge commit 'v2.6.29-rc2' into x86/mm
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 89c1d222e9d..f6fae0e50e6 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) |