mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-29 23:53:32 +00:00
Code Issues Releases Wiki Activity

ab8500_btemp: Harden platform data check

Browse source 
If no platform data at all is supplied the driver crashes,
extend the checks to be more careful so we can compile in the
driver and boot also without platform data present.

Acked-by: Arun Murthy <arun.murthy@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This commit is contained in:
Linus Walleij 2012-04-13 10:16:06 +02:00 committed by Anton Vorontsov
parent cc28e17100
commit ec511672b9
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/power/ab8500_btemp.c
View file

@ -978,12 +978,12 @@ static int __devinit ab8500_btemp_probe(struct platform_device *pdev)
/* get btemp specific platform data */
plat_data = pdev->dev.platform_data;
di->pdata = plat_data->btemp;
if (!di->pdata) {
if (!plat_data || !plat_data->btemp) {
dev_err(di->dev, "no btemp platform data supplied\n");
ret = -EINVAL;
goto free_device_info;
}
di->pdata = plat_data->btemp;
/* get battery specific platform data */
di->bat = plat_data->battery;