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VFS: Provide empty name qstr

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Provide an empty name (ie. "") qstr for general use.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells
2017-07-04 17:25:22 +01:00
committed by Al Viro
parent ee416bcdba
commit cdf01226b2
6 changed files with 15 additions and 10 deletions
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3
fs/namei.c
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@@ -3400,7 +3400,6 @@ out:
struct dentry *vfs_tmpfile(struct dentry *dentry, umode_t mode, int open_flag)
{
static const struct qstr name = QSTR_INIT("/", 1);
struct dentry *child = NULL;
struct inode *dir = dentry->d_inode;
struct inode *inode;
@@ -3414,7 +3413,7 @@ struct dentry *vfs_tmpfile(struct dentry *dentry, umode_t mode, int open_flag)
if (!dir->i_op->tmpfile)
goto out_err;
error = -ENOMEM;
child = d_alloc(dentry, &name);
child = d_alloc(dentry, &slash_name);
if (unlikely(!child))
goto out_err;
error = dir->i_op->tmpfile(dir, child, mode);