Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-block.git] / fs / xfs / xfs_file.c

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 82afdcb33183951350df18d3ce05b3aeecdf3e76..951a2321ee010f35c1d3395c09d0830d74197cfd 100644 (file)
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -841,7 +841,15 @@ xfs_file_fallocate(
                        goto out_unlock;
                }
 
-               ASSERT(offset + len < i_size_read(inode));
+               /*
+                * There is no need to overlap collapse range with EOF,
+                * in which case it is effectively a truncate operation
+                */
+               if (offset + len >= i_size_read(inode)) {
+                       error = -EINVAL;
+                       goto out_unlock;
+               }
+
                new_size = i_size_read(inode) - len;
 
                error = xfs_collapse_file_space(ip, offset, len);