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authorAl Viro <viro@zeniv.linux.org.uk>2014-10-29 01:37:40 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2014-10-29 01:37:40 +0300
commitf643ff550afbc82a2bc7026f4a6d64427e4fbc99 (patch)
treeeaa69a0a05caae52b7a1919a4fecf9196ab3d02a /fs/isofs
parentd1b72cc6d8cb766c802fdc70a5edc2f0ba8a2b57 (diff)
downloadlinux-f643ff550afbc82a2bc7026f4a6d64427e4fbc99.tar.xz
isofs_cmp(): we'll never see a dentry for . or ..
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/isofs')
-rw-r--r--fs/isofs/namei.c20
1 files changed, 2 insertions, 18 deletions
diff --git a/fs/isofs/namei.c b/fs/isofs/namei.c
index 95295640d9c8..6f6dd0c6429f 100644
--- a/fs/isofs/namei.c
+++ b/fs/isofs/namei.c
@@ -18,23 +18,6 @@ static int
isofs_cmp(struct dentry *dentry, const char *compare, int dlen)
{
struct qstr qstr;
-
- if (!compare)
- return 1;
-
- /* check special "." and ".." files */
- if (dlen == 1) {
- /* "." */
- if (compare[0] == 0) {
- if (!dentry->d_name.len)
- return 0;
- compare = ".";
- } else if (compare[0] == 1) {
- compare = "..";
- dlen = 2;
- }
- }
-
qstr.name = compare;
qstr.len = dlen;
return dentry->d_op->d_compare(NULL, NULL, dentry->d_name.len, dentry->d_name.name, &qstr);
@@ -146,7 +129,8 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry,
(!(de->flags[-sbi->s_high_sierra] & 1))) &&
(sbi->s_showassoc ||
(!(de->flags[-sbi->s_high_sierra] & 4)))) {
- match = (isofs_cmp(dentry, dpnt, dlen) == 0);
+ if (dpnt && (dlen > 1 || dpnt[0] > 1))
+ match = (isofs_cmp(dentry, dpnt, dlen) == 0);
}
if (match) {
isofs_normalize_block_and_offset(de,