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USB: bcma: Add a check for devm_gpiod_get

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bcma_hcd_probe misses a check for devm_gpiod_get and may miss
the error.
Add a check for it and return the error if a failure occurs.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Link: https://lore.kernel.org/r/20191016083531.5734-1-hslester96@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chuhong Yuan 2019-10-16 16:35:32 +08:00 • committed by Greg Kroah-Hartman
parent 09e2a8b78c
commit f3de5d857b
1 changed files with 4 additions and 1 deletions
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5
drivers/usb/host/bcma-hcd.c
View file

@ -406,9 +406,12 @@ static int bcma_hcd_probe(struct bcma_device *core)
return -ENOMEM;
usb_dev->core = core;
if (core->dev.of_node)
if (core->dev.of_node) {
usb_dev->gpio_desc = devm_gpiod_get(&core->dev, "vcc",
GPIOD_OUT_HIGH);
if (IS_ERR(usb_dev->gpio_desc))
return PTR_ERR(usb_dev->gpio_desc);
}
switch (core->id.id) {
case BCMA_CORE_USB20_HOST: