xfs: xfs_iozero can return positive errno

It was missed when we converted everything in XFs to use negative error
numbers, so fix it now. Bug introduced in 3.17 by commit 2451337 ("xfs: global
error sign conversion"), and should go back to stable kernels.

Thanks to Brian Foster for noticing it.

cc: <[email protected]> # 3.17, 3.18, 3.19, 4.0
Signed-off-by: Dave Chinner <[email protected]>
Reviewed-by: Brian Foster <[email protected]>
Signed-off-by: Dave Chinner <[email protected]>

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 8121e75352ee9bddd4726ca685d6d3e855256bdd..3b7591224f4a6698d32371a927e70cb2a391f4a9 100644 (file)
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -124,7 +124,7 @@ xfs_iozero(
                status = 0;
        } while (count);
 
-       return (-status);
+       return status;
 }
 
 int