linux-kernel - [PATCH v2 3/3] misc: cxl: flash: Remove unused variable 'drc

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Message-ID: <20200709065651.GY3500@dell>
Date:   Thu, 9 Jul 2020 07:56:51 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     arnd@...db.de, gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org,
        Frederic Barrat <fbarrat@...ux.ibm.com>,
        Andrew Donnellan <ajd@...ux.ibm.com>,
        linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v2 3/3] misc: cxl: flash: Remove unused variable 'drc_index'

Keeping the pointer increment though.

Fixes the following W=1 kernel build warning:

 drivers/misc/cxl/flash.c: In function ‘update_devicetree’:
 drivers/misc/cxl/flash.c:178:16: warning: variable ‘drc_index’ set but not used [-Wunused-but-set-variable]
 178 | __be32 *data, drc_index, phandle;
 | ^~~~~~~~~

Cc: Frederic Barrat <fbarrat@...ux.ibm.com>
Cc: Andrew Donnellan <ajd@...ux.ibm.com>
Cc: linuxppc-dev@...ts.ozlabs.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
Changelog:

v1 => v2:
 - Fix "flash.c:216:6: error: value computed is not used [-Werror=unused-value]"
   - ... as reported by Intel's Kernel Test Robot

drivers/misc/cxl/flash.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/cxl/flash.c b/drivers/misc/cxl/flash.c
index cb9cca35a2263..5b93ff51d82a5 100644
--- a/drivers/misc/cxl/flash.c
+++ b/drivers/misc/cxl/flash.c
@@ -175,7 +175,7 @@ static int update_devicetree(struct cxl *adapter, s32 scope)
 	struct update_nodes_workarea *unwa;
 	u32 action, node_count;
 	int token, rc, i;
-	__be32 *data, drc_index, phandle;
+	__be32 *data, phandle;
 	char *buf;
 
 	token = rtas_token("ibm,update-nodes");
@@ -213,7 +213,7 @@ static int update_devicetree(struct cxl *adapter, s32 scope)
 					break;
 				case OPCODE_ADD:
 					/* nothing to do, just move pointer */
-					drc_index = *data++;
+					data++;
 					break;
 				}
 			}
-- 
2.25.1