qemu/9pfs-local-Fix-possible-memory-leak-in-local_link.patch

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There is a possible memory leak while local_link return -1 without free
odirpath and oname.
Reported-by: Euler Robot <euler.robot@huawei.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Signed-off-by: Jaijun Chen <chenjiajun8@huawei.com>
Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c
index 4708c0bd89..491b08aee8 100644
--- a/hw/9pfs/9p-local.c
+++ b/hw/9pfs/9p-local.c
@@ -947,7 +947,7 @@ static int local_link(FsContext *ctx, V9fsPath *oldpath,
if (ctx->export_flags & V9FS_SM_MAPPED_FILE &&
local_is_mapped_file_metadata(ctx, name)) {
errno = EINVAL;
- return -1;
+ goto out;
}
odirfd = local_opendir_nofollow(ctx, odirpath);