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authorChristoph Hellwig <hch@lst.de>2020-02-26 17:30:30 -0800
committerDarrick J. Wong <darrick.wong@oracle.com>2020-03-02 20:55:52 -0800
commit6cc4f4fff10d38e95994e740f1b1d260c6fe8506 (patch)
treecb1641f71cd304f72bcd44f010118f108abbe18d /fs/xfs/xfs_ioctl.c
parent0eb81a5f5c34429f0d86329260b3b07e2d4c5e22 (diff)
xfs: merge xfs_attrmulti_attr_remove into xfs_attrmulti_attr_set
Merge the ioctl handlers just like the low-level xfs_attr_set function. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Chandan Rajendra <chandanrlinux@gmail.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_ioctl.c')
-rw-r--r--fs/xfs/xfs_ioctl.c34
1 files changed, 10 insertions, 24 deletions
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 6108955b199d..ef0508945267 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -389,18 +389,20 @@ xfs_attrmulti_attr_set(
uint32_t len,
uint32_t flags)
{
- unsigned char *kbuf;
+ unsigned char *kbuf = NULL;
int error;
size_t namelen;
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
return -EPERM;
- if (len > XFS_XATTR_SIZE_MAX)
- return -EINVAL;
- kbuf = memdup_user(ubuf, len);
- if (IS_ERR(kbuf))
- return PTR_ERR(kbuf);
+ if (ubuf) {
+ if (len > XFS_XATTR_SIZE_MAX)
+ return -EINVAL;
+ kbuf = memdup_user(ubuf, len);
+ if (IS_ERR(kbuf))
+ return PTR_ERR(kbuf);
+ }
namelen = strlen(name);
error = xfs_attr_set(XFS_I(inode), name, namelen, kbuf, len, flags);
@@ -410,22 +412,6 @@ xfs_attrmulti_attr_set(
return error;
}
-int
-xfs_attrmulti_attr_remove(
- struct inode *inode,
- unsigned char *name,
- uint32_t flags)
-{
- int error;
-
- if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
- return -EPERM;
- error = xfs_attr_set(XFS_I(inode), name, strlen(name), NULL, 0, flags);
- if (!error)
- xfs_forget_acl(inode, name, flags);
- return error;
-}
-
STATIC int
xfs_attrmulti_by_handle(
struct file *parfilp,
@@ -504,8 +490,8 @@ xfs_attrmulti_by_handle(
ops[i].am_error = mnt_want_write_file(parfilp);
if (ops[i].am_error)
break;
- ops[i].am_error = xfs_attrmulti_attr_remove(
- d_inode(dentry), attr_name,
+ ops[i].am_error = xfs_attrmulti_attr_set(
+ d_inode(dentry), attr_name, NULL, 0,
ops[i].am_flags);
mnt_drop_write_file(parfilp);
break;