linux-kernel - [PATCH] agp: remove unused variable mcapndx

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Date:   Tue, 17 Dec 2019 20:21:37 +0800
From:   Yunfeng Ye <yeyunfeng@...wei.com>
To:     <airlied@...ux.ie>, Arnd Bergmann <arnd@...db.de>,
        <gregkh@...uxfoundation.org>, <linux-kernel@...r.kernel.org>,
        "hushiyuan@...wei.com" <hushiyuan@...wei.com>,
        "linfeilong@...wei.com" <linfeilong@...wei.com>
Subject: [PATCH] agp: remove unused variable mcapndx

This patch fix the following warning:
drivers/char/agp/isoch.c: In function ‘agp_3_5_isochronous_node_enable’:
drivers/char/agp/isoch.c:87:5: warning: variable ‘mcapndx’ set but not
used [-Wunused-but-set-variable]
  u8 mcapndx;
     ^~~~~~~

Signed-off-by: Yunfeng Ye <yeyunfeng@...wei.com>
---
 drivers/char/agp/isoch.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/char/agp/isoch.c b/drivers/char/agp/isoch.c
index 31c374b1b91b..324992439ee8 100644
--- a/drivers/char/agp/isoch.c
+++ b/drivers/char/agp/isoch.c
@@ -84,7 +84,6 @@ static int agp_3_5_isochronous_node_enable(struct agp_bridge_data *bridge,
 	unsigned int cdev = 0;
 	u32 mnistat, tnistat, tstatus, mcmd;
 	u16 tnicmd, mnicmd;
-	u8 mcapndx;
 	u32 tot_bw = 0, tot_n = 0, tot_rq = 0, y_max, rq_isoch, rq_async;
 	u32 step, rem, rem_isoch, rem_async;
 	int ret = 0;
@@ -138,8 +137,6 @@ static int agp_3_5_isochronous_node_enable(struct agp_bridge_data *bridge,
 		cur = list_entry(pos, struct agp_3_5_dev, list);
 		dev = cur->dev;

-		mcapndx = cur->capndx;
-
 		pci_read_config_dword(dev, cur->capndx+AGPNISTAT, &mnistat);

 		master[cdev].maxbw = (mnistat >> 16) & 0xff;
@@ -251,8 +248,6 @@ static int agp_3_5_isochronous_node_enable(struct agp_bridge_data *bridge,
 		cur = master[cdev].dev;
 		dev = cur->dev;

-		mcapndx = cur->capndx;
-
 		master[cdev].rq += (cdev == ndevs - 1)
 		              ? (rem_async + rem_isoch) : step;

-- 
2.7.4