diff options
| author |   shailendra.v@samsung.com <shailendra.v@samsung.com> | 2017-01-27 16:47:48 +0530 |
|---|---|---|
| committer |   Matthias Brugger <matthias.bgg@gmail.com> | 2017-05-15 10:47:25 +0200 |
| commit | 58a823dd7b515827ed07adb268e1769b3c292586 (patch) | |
| tree | 3eceb889b0c132363717ef403777567c7fad7382 /drivers/soc | |
| parent | soc: mediatek: PMIC wrap: Fix error handling (diff) | |
| download | linux-dev-58a823dd7b515827ed07adb268e1769b3c292586.tar.xz linux-dev-58a823dd7b515827ed07adb268e1769b3c292586.zip | |
soc: mediatek: PMIC wrap: Fix possible NULL derefrence.
of_match_device could return NULL, and so can cause a NULL
pointer dereference later.
Signed-off-by: Shailendra Verma <shailendra.v@samsung.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/mediatek/mtk-pmic-wrap.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c index 285b434449a6..c80a04e1b2b1 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -1117,6 +1117,11 @@ static int pwrap_probe(struct platform_device *pdev) const struct of_device_id *of_slave_id = NULL; struct resource *res; + if (!of_id) { + dev_err(&pdev->dev, "Error: No device match found\n"); + return -ENODEV; + } + if (pdev->dev.of_node->child) of_slave_id = of_match_node(of_slave_match_tbl, pdev->dev.of_node->child); |