[RFC: 2.6 patch] drivers/net/ns83820.c: remove unused code

From: Adrian Bunk
Date: Tue Mar 22 2005 - 17:01:07 EST


The Coveity checker found that residue is always 0.

Is this patch correct or should residue have been used?

Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>

--- linux-2.6.12-rc1-mm1-full/drivers/net/ns83820.c.old 2005-03-22 21:32:15.000000000 +0100
+++ linux-2.6.12-rc1-mm1-full/drivers/net/ns83820.c 2005-03-22 21:33:16.000000000 +0100
@@ -1189,7 +1189,6 @@

for (;;) {
volatile u32 *desc = dev->tx_descs + (free_idx * DESC_SIZE);
- u32 residue = 0;

dprintk("frag[%3u]: %4u @ 0x%08Lx\n", free_idx, len,
(unsigned long long)buf);
@@ -1199,17 +1198,11 @@
desc_addr_set(desc + DESC_BUFPTR, buf);
desc[DESC_EXTSTS] = cpu_to_le32(extsts);

- cmdsts = ((nr_frags|residue) ? CMDSTS_MORE : do_intr ? CMDSTS_INTR : 0);
+ cmdsts = ((nr_frags) ? CMDSTS_MORE : do_intr ? CMDSTS_INTR : 0);
cmdsts |= (desc == first_desc) ? 0 : CMDSTS_OWN;
cmdsts |= len;
desc[DESC_CMDSTS] = cpu_to_le32(cmdsts);

- if (residue) {
- buf += len;
- len = residue;
- continue;
- }
-
if (!nr_frags)
break;


-
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