potential null dereference in splice code.

[Dave Jones <davej@redhat.com>]

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>

--- linux-2.6.16.noarch/fs/splice.c~	2006-04-03 18:47:40.000000000 -0500
+++ linux-2.6.16.noarch/fs/splice.c	2006-04-03 18:50:06.000000000 -0500
@@ -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
@@ -507,6 +507,7 @@ out:
 		page_cache_release(page);
 		unlock_page(page);
 	}
+out_nomem:
 	buf->ops->unmap(info, buf);
 	return ret;
 }
-
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