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authorBartosz Golaszewski <bartosz.golaszewski@linaro.org>2024-02-14 09:52:48 +0100
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2024-02-15 08:40:40 +0100
commitbe91c19e47d1b9bf1ebd7ec4a859a50a53e54882 (patch)
tree4a3afcab53c3877a72740b0487b1d3ce88016bc1 /drivers/gpio
parent0d7fa0eda4e3ffe1b7ebc73b6ef81298bddda649 (diff)
downloadlinux-be91c19e47d1b9bf1ebd7ec4a859a50a53e54882.tar.gz
gpio: sysfs: fix inverted pointer logic
The logic is inverted, we want to return if the chip *IS* NULL. Fixes: d83cee3d2bb1 ("gpio: protect the pointer to gpio_chip in gpio_device with SRCU") Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Closes: https://lore.kernel.org/linux-gpio/15671341-0b29-40e0-b487-0a4cdc414d8e@moroto.mountain/ Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpiolib-sysfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c
index 71ba2a774197b..67fc09a57f267 100644
--- a/drivers/gpio/gpiolib-sysfs.c
+++ b/drivers/gpio/gpiolib-sysfs.c
@@ -802,7 +802,7 @@ void gpiochip_sysfs_unregister(struct gpio_device *gdev)
guard(srcu)(&gdev->srcu);
chip = srcu_dereference(gdev->chip, &gdev->srcu);
- if (chip)
+ if (!chip)
return;
/* unregister gpiod class devices owned by sysfs */