From: kbuild test robot <fengguang.wu@xxxxxxxxx>
fs/btrfs/super.c:2243:8-14: WARNING: PTR_ERR_OR_ZERO can be used
Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
Generated by: scripts/coccinelle/api/ptr_ret.cocci
Fixes: 193ea416dc5e ("btrfs: get fs_devices pointer form btrfs_scan_one_device")
CC: Gu Jinxiang <gujx@xxxxxxxxxxxxxx>
Signed-off-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
---
super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -2240,7 +2240,7 @@ static long btrfs_control_ioctl(struct f
case BTRFS_IOC_SCAN_DEV:
fs_devices = btrfs_scan_one_device(vol->name, FMODE_READ,
&btrfs_root_fs_type);
- ret = IS_ERR(fs_devices) ? PTR_ERR(fs_devices) : 0;
+ ret = PTR_ERR_OR_ZERO(fs_devices);
break;
case BTRFS_IOC_DEVICES_READY:
fs_devices = btrfs_scan_one_device(vol->name, FMODE_READ,
--
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