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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-04 14:54:56 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-04 14:54:56 +0100 |
| commit | bb960a1e42042e82447a5bc0941b3ab6d614bac3 (patch) | |
| tree | d2295a923fabb1b01b25bb015c4c2e42ee9df5ca /drivers/gpio/mcp23s08.c | |
| parent | 858770619debfb9269add63e4ba8b7c6b5538dd1 (diff) | |
| parent | 06fc732c33a7ff5e4c91bcf4a6ca86b5e335ad9a (diff) | |
Merge branch 'core/xen' into x86/urgent
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) |