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-rw-r--r--fs/isofs/namei.c22
1 files changed, 4 insertions, 18 deletions
diff --git a/fs/isofs/namei.c b/fs/isofs/namei.c
index 9529564..7b543e6 100644
--- a/fs/isofs/namei.c
+++ b/fs/isofs/namei.c
@@ -18,25 +18,10 @@ 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;
+ if (likely(!dentry->d_op))
+ return dentry->d_name.len != dlen || memcmp(dentry->d_name.name, compare, dlen);
return dentry->d_op->d_compare(NULL, NULL, dentry->d_name.len, dentry->d_name.name, &qstr);
}
@@ -146,7 +131,8 @@ 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,
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