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postpone __putname() until after do_last() 

Since do_last() doesn't mangle nd->last_name, we can safely postpone
__putname() done in handling of trailing symlinks until after the
call of do_last()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-12-24 02:08:19 -05:00
parent 27bff34300
commit c41c140562
1 changed files with 1 additions and 1 deletions
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2
fs/namei.c
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@ -1923,9 +1923,9 @@ struct file *do_filp_open(int dfd, const char *pathname,
mutex_lock(&dir->d_inode->i_mutex); mutex_lock(&dir->d_inode->i_mutex);
path.dentry = lookup_hash(&nd); path.dentry = lookup_hash(&nd);
path.mnt = nd.path.mnt; path.mnt = nd.path.mnt;
__putname(nd.last.name);
filp = do_last(&nd, &path, open_flag, flag, acc_mode, mode, filp = do_last(&nd, &path, open_flag, flag, acc_mode, mode,
pathname, dir, &is_link); pathname, dir, &is_link);
__putname(nd.last.name);
if (is_link) if (is_link)
goto do_link; goto do_link;
if (nd.root.mnt) if (nd.root.mnt)