From: Nick Ewalt <nicholasewalt@google.com>
Date: Mon, 15 Oct 2018 04:59:20 +0000 (-0700)
Subject: staging: gasket: page_table: remove unnecessary PTE status set to free
X-Git-Tag: v4.20-rc1~72^2~19
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=efa5dcfa8f9ded669da15e29e69e13f56b6bb524;p=linux.git

staging: gasket: page_table: remove unnecessary PTE status set to free

Remove unnecessary ptes[i].status update in gasket_perform_unmapping.
The vaaue will be cleared in the following memset.

Signed-off-by: Nick Ewalt <nicholasewalt@google.com>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/gasket/gasket_page_table.c b/drivers/staging/gasket/gasket_page_table.c
index 985a3a93499d..d2e115d2dba3 100644
--- a/drivers/staging/gasket/gasket_page_table.c
+++ b/drivers/staging/gasket/gasket_page_table.c
@@ -623,7 +623,6 @@ static void gasket_perform_unmapping(struct gasket_page_table *pg_tbl,
 			if (gasket_release_page(ptes[i].page))
 				--pg_tbl->num_active_pages;
 		}
-		ptes[i].status = PTE_FREE;
 
 		/* and clear the PTE. */
 		memset(&ptes[i], 0, sizeof(struct gasket_page_table_entry));