isofs_cmp(): we'll never see a dentry for . or .. (f643ff55) · Commits · e / devices / android_kernel_fairphone_FP4

fs/isofs/namei.c

+2 −18

Original line number	Diff line number	Diff line
		@@ -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);
		@@ -146,6 +129,7 @@ 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)))) {
		if (dpnt && (dlen > 1 \|\| dpnt[0] > 1))
		match = (isofs_cmp(dentry, dpnt, dlen) == 0);
		}
		if (match) {