From 6cc4f4fff10d38e95994e740f1b1d260c6fe8506 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 26 Feb 2020 17:30:30 -0800 Subject: [PATCH] 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 Reviewed-by: Dave Chinner Reviewed-by: Chandan Rajendra Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_ioctl.c | 34 ++++++++++------------------------ fs/xfs/xfs_ioctl.h | 6 ------ fs/xfs/xfs_ioctl32.c | 4 ++-- 3 files changed, 12 insertions(+), 32 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; diff --git a/fs/xfs/xfs_ioctl.h b/fs/xfs/xfs_ioctl.h index 420bd95dc326..819504df00ae 100644 --- a/fs/xfs/xfs_ioctl.h +++ b/fs/xfs/xfs_ioctl.h @@ -46,12 +46,6 @@ xfs_attrmulti_attr_set( uint32_t len, uint32_t flags); -extern int -xfs_attrmulti_attr_remove( - struct inode *inode, - unsigned char *name, - uint32_t flags); - extern struct dentry * xfs_handle_to_dentry( struct file *parfilp, diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c index 9705172e5410..e085f304e539 100644 --- a/fs/xfs/xfs_ioctl32.c +++ b/fs/xfs/xfs_ioctl32.c @@ -488,8 +488,8 @@ xfs_compat_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;