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author | Ahmad Fatoum <a.fatoum@pengutronix.de> | 2021-11-08 08:52:06 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2021-11-08 09:15:23 +0100 |
commit | bddbf8dfc9ffd286ba7d19502e21f47c61df8fe2 (patch) | |
tree | a5f70e2ea8c8a0ed80db3da415f7ccc31c24ae25 | |
parent | 6b2c6c9a4afb3d2c082d07f5019e82cb2ed0c0f3 (diff) | |
download | barebox-bddbf8dfc9ffd286ba7d19502e21f47c61df8fe2.tar.gz barebox-bddbf8dfc9ffd286ba7d19502e21f47c61df8fe2.tar.xz |
pinctrl: Rockchip: abort probe on lack of aliases
The driver depends on the existence of aliases and will read
out-of-bounds if they are missing for a node. Make failure
graceful by aborting before that happens.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20211108075209.2366770-6-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r-- | drivers/pinctrl/pinctrl-rockchip.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 9b832c97d6..e73e378490 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -342,6 +342,9 @@ static int rockchip_gpio_probe(struct device_d *dev) int ret, bankno; bankno = of_alias_get_id(dev->device_node, "gpio"); + if (bankno < 0) + return bankno; + bank = &ctrl->pin_banks[bankno]; gpio = &bank->bgpio_chip.gc; |