X-Git-Url: https://git.stricted.de/?a=blobdiff_plain;f=drivers%2Fgpio%2Fmcp23s08.c;h=f6fae0e50e654731e2fc235b6d562e2a669b3627;hb=7420b73dc05ae1faa36b49774210a13d29349c53;hp=89c1d222e9d10b89b8acc56dbfff0b1933f1a2c3;hpb=24924f884cd36603615ea5496244e542b0b513c6;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

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)