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-rw-r--r--drivers/gpio/gpiolib.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 251c875b5c34..76e0c38026c3 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2167,12 +2167,18 @@ static bool gpiod_free_commit(struct gpio_desc *desc)
void gpiod_free(struct gpio_desc *desc)
{
- if (desc && desc->gdev && gpiod_free_commit(desc)) {
- module_put(desc->gdev->owner);
- gpio_device_put(desc->gdev);
- } else {
+ /*
+ * We must not use VALIDATE_DESC_VOID() as the underlying gdev->chip
+ * may already be NULL but we still want to put the references.
+ */
+ if (!desc)
+ return;
+
+ if (!gpiod_free_commit(desc))
WARN_ON(extra_checks);
- }
+
+ module_put(desc->gdev->owner);
+ gpio_device_put(desc->gdev);
}
/**