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path: root/drivers/gpio/gpio-mcp23s08.c
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Diffstat (limited to 'drivers/gpio/gpio-mcp23s08.c')
-rw-r--r--drivers/gpio/gpio-mcp23s08.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index 6a4470b84488..87ed6bf6528b 100644
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -520,14 +520,13 @@ static int mcp230xx_probe(struct i2c_client *client,
520 520
521 match = of_match_device(of_match_ptr(mcp23s08_i2c_of_match), 521 match = of_match_device(of_match_ptr(mcp23s08_i2c_of_match),
522 &client->dev); 522 &client->dev);
523 if (match) { 523 pdata = client->dev.platform_data;
524 if (match || !pdata) {
524 base = -1; 525 base = -1;
525 pullups = 0; 526 pullups = 0;
526 } else { 527 } else {
527 pdata = client->dev.platform_data; 528 if (!gpio_is_valid(pdata->base)) {
528 if (!pdata || !gpio_is_valid(pdata->base)) { 529 dev_dbg(&client->dev, "invalid platform data\n");
529 dev_dbg(&client->dev,
530 "invalid or missing platform data\n");
531 return -EINVAL; 530 return -EINVAL;
532 } 531 }
533 base = pdata->base; 532 base = pdata->base;