ocfs2: Safer read_inline_data()

In ocfs2_read_inline_data() we should store file size in loff_t. Although
the file size should fit in 32 bits we cannot be sure in case filesystem is
corrupted.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 286af3a11383..bc7b4cbbe8ec 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -217,7 +217,7 @@ int ocfs2_read_inline_data(struct inode *inode, struct page *page,
                            struct buffer_head *di_bh)
 {
         void *kaddr;
-        unsigned int size;
+        loff_t size;
         struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
 
         if (!(le16_to_cpu(di->i_dyn_features) & OCFS2_INLINE_DATA_FL)) {
@@ -231,8 +231,9 @@ int ocfs2_read_inline_data(struct inode *inode, struct page *page,
         if (size > PAGE_CACHE_SIZE ||
             size > ocfs2_max_inline_data(inode->i_sb)) {
                 ocfs2_error(inode->i_sb,
-                            "Inode %llu has with inline data has bad size: %u",
-                            (unsigned long long)OCFS2_I(inode)->ip_blkno, size);
+                            "Inode %llu has with inline data has bad size: %Lu",
+                            (unsigned long long)OCFS2_I(inode)->ip_blkno,
+                            (unsigned long long)size);
                 return -EROFS;
         }