path_openat: clean ELOOP handling a bit (40b39136) · Commits · e / devices / android_kernel_xiaomi_markw

fs/namei.c

+6 −8

Original line number	Diff line number	Diff line
		@@ -2320,11 +2320,12 @@ static struct file path_openat(int dfd, const char pathname,
		struct path link = path;
		struct inode *linki = link.dentry->d_inode;
		void *cookie;
		error = -ELOOP;
		if (!(nd.flags & LOOKUP_FOLLOW))
		goto exit_dput;
		if (count++ == 32)
		goto exit_dput;
		if (!(nd.flags & LOOKUP_FOLLOW) \|\| count++ == 32) {
		path_put_conditional(&path, &nd);
		path_put(&nd.path);
		filp = ERR_PTR(-ELOOP);
		break;
		}
		/*
		* This is subtle. Instead of calling do_follow_link() we do
		* the thing by hands. The reason is that this way we have zero
		@@ -2355,9 +2356,6 @@ out:
		release_open_intent(&nd);
		return filp;

		exit_dput:
		path_put_conditional(&path, &nd);
		path_put(&nd.path);
		out_filp:
		filp = ERR_PTR(error);
		goto out;