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| author | Marco Felsch <m.felsch@pengutronix.de> | 2020-09-28 17:50:30 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-09-29 10:27:21 +0200 |
| commit | 9fbad28fed2669c0d68e3c9853c36395b71e2d2a (patch) | |
| tree | 40e478e72fae92a4f3be7cdbca2492ac4236d14b /drivers/regulator/core.c | |
| parent | 9018226a218952ec752d740bdd92a6a93c169b0f (diff) | |
| download | barebox-9fbad28fed2669c0d68e3c9853c36395b71e2d2a.tar.gz barebox-9fbad28fed2669c0d68e3c9853c36395b71e2d2a.tar.xz | |
regulator: test of_regulator_register input before accessing it
Add simple parameter check to avoid possible NULL pointer dereferences.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/regulator/core.c')
| -rw-r--r-- | drivers/regulator/core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index a767e383fb..6ea21a4609 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -163,6 +163,9 @@ int of_regulator_register(struct regulator_dev *rd, struct device_node *node) struct regulator_internal *ri; const char *name; + if (!rd || !node) + return -EINVAL; + rd->boot_on = of_property_read_bool(node, "regulator-boot-on"); name = of_get_property(node, "regulator-name", NULL); |