From f643ff550afbc82a2bc7026f4a6d64427e4fbc99 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 28 Oct 2014 18:37:40 -0400 Subject: [PATCH] isofs_cmp(): we'll never see a dentry for . or .. Signed-off-by: Al Viro --- fs/isofs/namei.c | 20 ++------------------ 1 file 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, -- GitLab