drivers/net/ethernet/pensando/ionic/ionic_txrx.c:608:3: warning: Variable 'done' is modified but its new value is never used.
From: kernel test robot
Date: Thu Aug 06 2020 - 12:58:12 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: fffe3ae0ee84e25d2befe2ae59bc32aa2b6bc77b
commit: f9c00e2cf258d215a1ed2a7b2ae5b91ac2f29582 ionic: clean tx queue of unfinished requests
date: 4 months ago
:::::: branch date: 5 hours ago
:::::: commit date: 4 months ago
compiler: ia64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
cppcheck warnings: (new ones prefixed by >>)
>> drivers/net/ethernet/pensando/ionic/ionic_txrx.c:608:3: warning: Variable 'done' is modified but its new value is never used. [unreadVariable]
done++;
^
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9c00e2cf258d215a1ed2a7b2ae5b91ac2f29582
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout f9c00e2cf258d215a1ed2a7b2ae5b91ac2f29582
vim +/done +608 drivers/net/ethernet/pensando/ionic/ionic_txrx.c
0f3154e6bcb3549 Shannon Nelson 2019-09-03 595
f9c00e2cf258d21 Shannon Nelson 2020-03-27 596 void ionic_tx_empty(struct ionic_queue *q)
f9c00e2cf258d21 Shannon Nelson 2020-03-27 597 {
f9c00e2cf258d21 Shannon Nelson 2020-03-27 598 struct ionic_desc_info *desc_info;
f9c00e2cf258d21 Shannon Nelson 2020-03-27 599 int done = 0;
f9c00e2cf258d21 Shannon Nelson 2020-03-27 600
f9c00e2cf258d21 Shannon Nelson 2020-03-27 601 /* walk the not completed tx entries, if any */
f9c00e2cf258d21 Shannon Nelson 2020-03-27 602 while (q->head != q->tail) {
f9c00e2cf258d21 Shannon Nelson 2020-03-27 603 desc_info = q->tail;
f9c00e2cf258d21 Shannon Nelson 2020-03-27 604 q->tail = desc_info->next;
f9c00e2cf258d21 Shannon Nelson 2020-03-27 605 ionic_tx_clean(q, desc_info, NULL, desc_info->cb_arg);
f9c00e2cf258d21 Shannon Nelson 2020-03-27 606 desc_info->cb = NULL;
f9c00e2cf258d21 Shannon Nelson 2020-03-27 607 desc_info->cb_arg = NULL;
f9c00e2cf258d21 Shannon Nelson 2020-03-27 @608 done++;
f9c00e2cf258d21 Shannon Nelson 2020-03-27 609 }
f9c00e2cf258d21 Shannon Nelson 2020-03-27 610 }
f9c00e2cf258d21 Shannon Nelson 2020-03-27 611
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