fbdev: ssd1307fb: potential ERR_PTR dereference

The error handling got shifted down a few lines from where it was
supposed to be for some reason.

Fixes: a14a7ba8cb0f ('fbdev: ssd1307fb: add backlight controls for setting the contrast')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Dan Carpenter 2015-05-23 20:32:35 +03:00 committed by Tomi Valkeinen
parent 550e768c2a
commit c2b00024bc
1 changed files with 5 additions and 4 deletions

View File

@ -655,15 +655,16 @@ static int ssd1307fb_probe(struct i2c_client *client,
snprintf(bl_name, sizeof(bl_name), "ssd1307fb%d", info->node);
bl = backlight_device_register(bl_name, &client->dev, par,
&ssd1307fb_bl_ops, NULL);
bl->props.brightness = par->contrast;
bl->props.max_brightness = MAX_CONTRAST;
info->bl_dev = bl;
if (IS_ERR(bl)) {
dev_err(&client->dev, "unable to register backlight device: %ld\n",
PTR_ERR(bl));
goto bl_init_error;
}
bl->props.brightness = par->contrast;
bl->props.max_brightness = MAX_CONTRAST;
info->bl_dev = bl;
dev_info(&client->dev, "fb%d: %s framebuffer device registered, using %d bytes of video memory\n", info->node, info->fix.id, vmem_size);
return 0;