[PATCH] gpio: cdev: Drop redundant nonseekable_open() return check

[phucduc . bui]

From: bui duc phuc <phucduc.bui@xxxxxxxxx>

nonseekable_open() never fails, so the error check is unnecessary.
Remove the dead error handling path.

Signed-off-by: bui duc phuc <phucduc.bui@xxxxxxxxx>
---
 drivers/gpio/gpiolib-cdev.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index 82f27db0b230..9f3b628d5793 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -2682,15 +2682,8 @@ static int gpio_chrdev_open(struct inode *inode, struct file *file)
 	file->private_data = cdev;
 	cdev->fp = file;
 
-	ret = nonseekable_open(inode, file);
-	if (ret)
-		goto out_unregister_device_notifier;
-
-	return ret;
+	return nonseekable_open(inode, file);
 
-out_unregister_device_notifier:
-	blocking_notifier_chain_unregister(&gdev->device_notifier,
-					   &cdev->device_unregistered_nb);
 out_unregister_line_notifier:
 	scoped_guard(write_lock_irqsave, &gdev->line_state_lock)
 		raw_notifier_chain_unregister(&gdev->line_state_notifier,
-- 
2.43.0