Fixes gcc '-Wunused-but-set-variable' warnings:

drivers/char/agp/frontend.c: In function agp_find_seg_in_client:
drivers/char/agp/frontend.c:105:6: warning: variable num_segments set but not 
used [-Wunused-but-set-variable]
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]
drivers/char/agp/isoch.c: In function agp_3_5_enable:
drivers/char/agp/isoch.c:322:13: warning: variable arqsz set but not used 
[-Wunused-but-set-variable]

They are never used and can be removed.

Signed-off-by: YueHaibing <[email protected]>
---
 drivers/char/agp/frontend.c | 3 +--
 drivers/char/agp/isoch.c    | 9 +--------
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c
index f6955888e676..47098648502d 100644
--- a/drivers/char/agp/frontend.c
+++ b/drivers/char/agp/frontend.c
@@ -102,14 +102,13 @@ agp_segment_priv *agp_find_seg_in_client(const struct 
agp_client *client,
                                            int size, pgprot_t page_prot)
 {
        struct agp_segment_priv *seg;
-       int num_segments, i;
+       int i;
        off_t pg_start;
        size_t pg_count;
 
        pg_start = offset / 4096;
        pg_count = size / 4096;
        seg = *(client->segments);
-       num_segments = client->num_segments;
 
        for (i = 0; i < client->num_segments; i++) {
                if ((seg[i].pg_start == pg_start) &&
diff --git a/drivers/char/agp/isoch.c b/drivers/char/agp/isoch.c
index 31c374b1b91b..7ecf20a6d19c 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;
 
@@ -319,7 +314,7 @@ int agp_3_5_enable(struct agp_bridge_data *bridge)
 {
        struct pci_dev *td = bridge->dev, *dev = NULL;
        u8 mcapndx;
-       u32 isoch, arqsz;
+       u32 isoch;
        u32 tstatus, mstatus, ncapid;
        u32 mmajor;
        u16 mpstat;
@@ -334,8 +329,6 @@ int agp_3_5_enable(struct agp_bridge_data *bridge)
        if (isoch == 0) /* isoch xfers not available, bail out. */
                return -ENODEV;
 
-       arqsz     = (tstatus >> 13) & 0x7;
-
        /*
         * Allocate a head for our AGP 3.5 device list
         * (multiple AGP v3 devices are allowed behind a single bridge).
-- 
2.17.1


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