diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c
index 4c2c5508620819ea4075fe65c1b7390a47246add..79cfd3fc53240da3577608d4f4a04f7cf1f14399 100644
--- a/fs/xfs/xfs_sysfs.c
+++ b/fs/xfs/xfs_sysfs.c
@@ -634,6 +634,9 @@ xfs_error_get_cfg(
 {
 	struct xfs_error_cfg	*cfg;
 
+	if (error < 0)
+		error = -error;
+
 	switch (error) {
 	case EIO:
 		cfg = &mp->m_error_cfg[error_class][XFS_ERR_EIO];