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fbdev: ssd1307fb: fix a possible NULL dereference

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of_match_device could return NULL, and so cause a NULL pointer
dereference later.

For fixing this problem, we use of_device_get_match_data(), this will
simplify the code a little by using a standard function for
getting the match data.

Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
LABBE Corentin 2016-08-16 11:27:18 +02:00 committed by Tomi Valkeinen
parent 60169c3fb7
commit d8ed9e87e6
1 changed files with 1 additions and 2 deletions
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drivers/video/fbdev/ssd1307fb.c
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@ -559,8 +559,7 @@ static int ssd1307fb_probe(struct i2c_client *client,
par->info = info;
par->client = client;
par->device_info = of_match_device(ssd1307fb_of_match,
&client->dev)->data;
par->device_info = of_device_get_match_data(&client->dev);
par->reset = of_get_named_gpio(client->dev.of_node,
"reset-gpios", 0);