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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>
This commit is contained in:
Xichao Zhao 2025-08-12 16:25:54 +08:00 committed by David Sterba
parent d728f2e5f8
commit 28a38e20ac
1 changed files with 1 additions and 4 deletions
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5
fs/btrfs/super.c
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@ -2274,10 +2274,7 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd,
device = btrfs_scan_one_device(vol->name, false); device = btrfs_scan_one_device(vol->name, false);
if (IS_ERR_OR_NULL(device)) { if (IS_ERR_OR_NULL(device)) {
mutex_unlock(&uuid_mutex); mutex_unlock(&uuid_mutex);
if (IS_ERR(device)) ret = PTR_ERR_OR_ZERO(device);
ret = PTR_ERR(device);
else
ret = 0;
break; break;
} }
ret = !(device->fs_devices->num_devices == ret = !(device->fs_devices->num_devices ==