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| author | Ingo Molnar <mingo@elte.hu> | 2009-01-21 12:39:51 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-21 12:39:51 +0300 |
| commit | 198030782cedf25391e67e7c88b04f87a5eb6563 (patch) | |
| tree | 5b7368c6bf052bcb4bb273497a57900720d36f51 /drivers/gpio/mcp23s08.c | |
| parent | 4ec71fa2d2c3f1040348f2604f4b8ccc833d1c2e (diff) | |
| parent | 92181f190b649f7ef2b79cbf5c00f26ccc66da2a (diff) | |
| download | linux-198030782cedf25391e67e7c88b04f87a5eb6563.tar.xz | |
Merge branch 'x86/mm' into core/percpu
Conflicts:
arch/x86/mm/fault.c
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) |