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cifs: get rid of blind d_drop() in readdir

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-11-29 22:11:06 -05:00
parent c44600c9d1
commit 0903a0c849
1 changed files with 4 additions and 1 deletions
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5
fs/cifs/readdir.c
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@ -86,14 +86,17 @@ cifs_readdir_lookup(struct dentry *parent, struct qstr *name,
dentry = d_lookup(parent, name);
if (dentry) {
int err;
inode = dentry->d_inode;
/* update inode in place if i_ino didn't change */
if (inode && CIFS_I(inode)->uniqueid == fattr->cf_uniqueid) {
cifs_fattr_to_inode(inode, fattr);
return dentry;
}
d_drop(dentry);
err = d_invalidate(dentry);
dput(dentry);
if (err)
return NULL;
}
dentry = d_alloc(parent, name);