From: Eric Biggers <ebiggers3@gmail.com>
Date: Mon, 12 Nov 2012 20:19:27 +0000 (-0600)
Subject: rebuild_wim():  Fix possible problem with fd closing
X-Git-Tag: v1.1.0~22
X-Git-Url: https://wimlib.net/git/?p=wimlib;a=commitdiff_plain;h=2900a982859da75d35e2a18a2e4f10b29a828226

rebuild_wim():  Fix possible problem with fd closing

Use list_for_each_entry_safe() instead of list_for_each_entry() when closing
staging file descriptors, since a lookup table entry may be deleted when its
last file descriptor is closed.
---

diff --git a/src/mount.c b/src/mount.c
index 6bc1fdff..54c7b099 100644
--- a/src/mount.c
+++ b/src/mount.c
@@ -876,7 +876,7 @@ static int rebuild_wim(struct wimfs_context *ctx, bool check_integrity)
 
 
 	DEBUG("Closing all staging file descriptors.");
-	list_for_each_entry(lte, &ctx->staging_list, staging_list) {
+	list_for_each_entry_safe(lte, tmp, &ctx->staging_list, staging_list) {
 		ret = inode_close_fds(lte->lte_inode);
 		if (ret != 0)
 			return ret;