Commit 12b09578 authored by Al Viro's avatar Al Viro
Browse files

link_path_walk: don't bother with walk_component() after jumping link 



... it does nothing if nd->last_type is LAST_BIND.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent b0c24c3b

fs/namei.c

+7 −3
Original line number Diff line number Diff line
@@ -1797,7 +1797,11 @@ static int link_path_walk(const char *name, struct nameidata *nd) 
					return err;

				}

				err = 0;

				if (likely(s)) {

				if (unlikely(!s)) {

					/* jumped */

					put_link(nd, &link, cookie);

					break;

				} else {

					if (*s == '/') {

						if (!nd->root.mnt)

							set_root(nd);
@@ -1812,9 +1816,9 @@ static int link_path_walk(const char *name, struct nameidata *nd) 
						put_link(nd, &link, cookie);

						break;

					}

				}

					err = walk_component(nd, LOOKUP_FOLLOW);

					put_link(nd, &link, cookie);

				}

			} while (err > 0);



			current->link_count--;