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authorDave Jones <davej@redhat.com>2006-04-10 09:02:40 +0200
committerJens Axboe <axboe@suse.de>2006-04-10 09:02:40 +0200
commit9aefe431f5a000884db7ae74ac208de814fe5913 (patch)
tree2a5a5469f0a56529c78ca067d798fff0363207a3 /fs/splice.c
parentc7f21e4f5a3d4e378e4d453b2be209dcfd1bb964 (diff)
[PATCH] splice: potential !page dereference
We can get to out: with a NULL page, which we probably don't want to be calling page_cache_release() on. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Jens Axboe <axboe@suse.de>
Diffstat (limited to 'fs/splice.c')
-rw-r--r--fs/splice.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/splice.c b/fs/splice.c
index b450acdff39..26f5f7ecee5 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -445,7 +445,7 @@ find_page:
ret = -ENOMEM;
page = find_or_create_page(mapping, index, gfp_mask);
if (!page)
- goto out;
+ goto out_nomem;
/*
* If the page is uptodate, it is also locked. If it isn't
@@ -508,6 +508,7 @@ out:
page_cache_release(page);
unlock_page(page);
}
+out_nomem:
buf->ops->unmap(info, buf);
return ret;
}