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| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-03-14 13:42:45 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-04-01 23:19:15 -0400 |
| commit | 5d826c847b34de6415b4f1becd88a57ff619af50 (patch) | |
| tree | 431338c4141bcff1d392f232613841bf1971d99b /fs/xfs | |
| parent | 4efcc9ffcd4fc53f1f7de539842cdffa1f8e5ecc (diff) | |
| download | linux-5d826c847b34de6415b4f1becd88a57ff619af50.tar.gz linux-5d826c847b34de6415b4f1becd88a57ff619af50.tar.bz2 linux-5d826c847b34de6415b4f1becd88a57ff619af50.zip | |
new helper: readlink_copy()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_ioctl.c | 28 |
1 files changed, 1 insertions, 27 deletions
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index bcfe61202115..0b18776b075e 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -271,32 +271,6 @@ xfs_open_by_handle( return error; } -/* - * This is a copy from fs/namei.c:vfs_readlink(), except for removing it's - * unused first argument. - */ -STATIC int -do_readlink( - char __user *buffer, - int buflen, - const char *link) -{ - int len; - - len = PTR_ERR(link); - if (IS_ERR(link)) - goto out; - - len = strlen(link); - if (len > (unsigned) buflen) - len = buflen; - if (copy_to_user(buffer, link, len)) - len = -EFAULT; - out: - return len; -} - - int xfs_readlink_by_handle( struct file *parfilp, @@ -334,7 +308,7 @@ xfs_readlink_by_handle( error = -xfs_readlink(XFS_I(dentry->d_inode), link); if (error) goto out_kfree; - error = do_readlink(hreq->ohandle, olen, link); + error = readlink_copy(hreq->ohandle, olen, link); if (error) goto out_kfree; |