In get_mapping_page(), after calling find_or_create_page(),
the return value should be checked.
Signed-off-by: Younger Liu <younger.liu@xxxxxxxxxx>
---
fs/logfs/segment.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/logfs/segment.c b/fs/logfs/segment.c
index 038da09..2641e94 100644
--- 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;
}
-- 1.7.9.7
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