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authorLinus Walleij <linus.walleij@linaro.org>2012-04-13 10:16:06 +0200
committerAnton Vorontsov <anton.vorontsov@linaro.org>2012-05-05 03:59:47 -0700
commitec511672b97383107d87e86921b1f0392bc1d000 (patch)
tree938e81a3e423ed76410d844eac9699bdddda4e04 /drivers/power/ab8500_btemp.c
parentcc28e17100a6b051ef966de81bb2d4a97b2a6645 (diff)
downloadop-kernel-dev-ec511672b97383107d87e86921b1f0392bc1d000.zip
op-kernel-dev-ec511672b97383107d87e86921b1f0392bc1d000.tar.gz
ab8500_btemp: Harden platform data check
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>
Diffstat (limited to 'drivers/power/ab8500_btemp.c')
-rw-r--r--drivers/power/ab8500_btemp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/power/ab8500_btemp.c b/drivers/power/ab8500_btemp.c
index d8bb993..e266f03 100644
--- a/drivers/power/ab8500_btemp.c
+++ b/drivers/power/ab8500_btemp.c
@@ -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;
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