commit 540cbd6c7c90c20a5474a9f691f15b2b4d897ff5
author Leonid Lobachev <leonidl@google.com> Mon Sep 23 11:49:33 2019 -0700
committer Jonas Larsson <ljonas@google.com> Thu Oct 31 16:13:48 2019 -0700
tree 3574999ae6883bbc8f9134803144176287a2096b
parent 97e1aff951147df4e04bd85389229149f93451b7

staging: gasket: page table: return valid error code on map fail

Return -EINVAL on mapping failures, instead of -1, which triggers a
checkpatch error.

Change-Id: I91a62a72caa5ca09e07bd4897e72f4919495c040
Signed-off-by: Todd Poynor <toddpoynor@google.com>

drivers/staging/gasket/gasket_page_table.c

diff --git a/drivers/staging/gasket/gasket_page_table.c b/drivers/staging/gasket/gasket_page_table.c
index 7f83650..0d75a58 100644
--- a/drivers/staging/gasket/gasket_page_table.c
+++ b/drivers/staging/gasket/gasket_page_table.c
@@ -500,7 +500,7 @@
 					(unsigned long long)ptes[i].dma_addr,
 					(void *)page_to_pfn(page),
 					(void *)page_to_phys(page));
-				return -1;
+				return -EINVAL;
 			}
 		}
 
@@ -1147,7 +1147,7 @@
 	*ppage = NULL;
 	*poffset = 0;
 	mutex_unlock(&pg_tbl->mutex);
-	return -1;
+	return -EINVAL;
 }
 
 /* See gasket_page_table.h for description. */