logfs: check for the return value after calling find_or_create_page()

[deliverable/linux.git] / fs / logfs / segment.c

diff --git a/fs/logfs/segment.c b/fs/logfs/segment.c
index d448a777166b71bc21df131c0c32a462d97b5efe..7f9b096d8d572e0753ee84d060c4018fa6978a40 100644 (file)
--- a/fs/logfs/segment.c
+++ b/fs/logfs/segment.c
@@ -62,7 +62,8 @@ static struct page *get_mapping_page(struct super_block *sb, pgoff_t index,
                page = read_cache_page(mapping, index, filler, sb);
        else {
                page = find_or_create_page(mapping, index, GFP_NOFS);
-               unlock_page(page);
+               if (page)
+                       unlock_page(page);
        }
        return page;
 }