From: Xichao Zhao <zhao.xichao@vivo.com>
Date: Tue, 12 Aug 2025 08:25:54 +0000 (+0800)
Subject: btrfs: use PTR_ERR_OR_ZERO() to simplify code inbtrfs_control_ioctl()
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=28a38e20acf58ddbeb65eb1c359cc43414094f5a;p=users%2Fhch%2Fmisc.git

btrfs: use PTR_ERR_OR_ZERO() to simplify code inbtrfs_control_ioctl()

Use the standard error pointer macro to simplify the code.

Reviewed-by: Daniel Vacek <neelx@suse.com>
Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index b06b8f325537..ee2418bb2efd 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -2274,10 +2274,7 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd,
 		device = btrfs_scan_one_device(vol->name, false);
 		if (IS_ERR_OR_NULL(device)) {
 			mutex_unlock(&uuid_mutex);
-			if (IS_ERR(device))
-				ret = PTR_ERR(device);
-			else
-				ret = 0;
+			ret = PTR_ERR_OR_ZERO(device);
 			break;
 		}
 		ret = !(device->fs_devices->num_devices ==