drivers/atm/iphase.c:151 ia_hack_tcq() warn: if();

From: kernel test robot
Date: Tue Apr 18 2023 - 09:53:53 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 6a8f57ae2eb07ab39a6f0ccad60c760743051026
commit: ded2ee36313c941f1a12b6f85cde295b575264ae openrisc: Add pci bus support
date: 9 months ago
config: openrisc-randconfig-m031-20230416 (https://download.01.org/0day-ci/archive/20230418/202304182100.xKJSzynK-lkp@xxxxxxxxx/config)
compiler: or1k-linux-gcc (GCC) 12.1.0

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202304182100.xKJSzynK-lkp@xxxxxxxxx/

New smatch warnings:
drivers/atm/iphase.c:151 ia_hack_tcq() warn: if();
drivers/atm/iphase.c:562 ia_cbr_setup() warn: inconsistent indenting
drivers/atm/iphase.c:695 ia_tx_poll() warn: inconsistent indenting
drivers/atm/iphase.c:1247 rx_intr() warn: inconsistent indenting
drivers/atm/iphase.c:1558 rx_init() warn: inconsistent indenting
drivers/atm/iphase.c:1763 open_tx() warn: inconsistent indenting
drivers/atm/iphase.c:2553 ia_start() warn: inconsistent indenting
drivers/atm/iphase.c:2766 ia_ioctl() warn: inconsistent indenting
drivers/atm/iphase.c:2911 ia_pkt_tx() warn: inconsistent indenting

Old smatch warnings:
drivers/atm/iphase.c:2870 ia_ioctl() warn: inconsistent indenting

vim +151 drivers/atm/iphase.c

^1da177e4c3f41 Linus Torvalds 2005-04-16 143
^1da177e4c3f41 Linus Torvalds 2005-04-16 144 u_short desc1;
^1da177e4c3f41 Linus Torvalds 2005-04-16 145 u_short tcq_wr;
^1da177e4c3f41 Linus Torvalds 2005-04-16 146 struct ia_vcc *iavcc_r = NULL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 147
^1da177e4c3f41 Linus Torvalds 2005-04-16 148 tcq_wr = readl(dev->seg_reg+TCQ_WR_PTR) & 0xffff;
^1da177e4c3f41 Linus Torvalds 2005-04-16 149 while (dev->host_tcq_wr != tcq_wr) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 150 desc1 = *(u_short *)(dev->seg_ram + dev->host_tcq_wr);
^1da177e4c3f41 Linus Torvalds 2005-04-16 @151 if (!desc1) ;
^1da177e4c3f41 Linus Torvalds 2005-04-16 152 else if (!dev->desc_tbl[desc1 -1].timestamp) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 153 IF_ABR(printk(" Desc %d is reset at %ld\n", desc1 -1, jiffies);)
^1da177e4c3f41 Linus Torvalds 2005-04-16 154 *(u_short *) (dev->seg_ram + dev->host_tcq_wr) = 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16 155 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 156 else if (dev->desc_tbl[desc1 -1].timestamp) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 157 if (!(iavcc_r = dev->desc_tbl[desc1 -1].iavcc)) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 158 printk("IA: Fatal err in get_desc\n");
^1da177e4c3f41 Linus Torvalds 2005-04-16 159 continue;
^1da177e4c3f41 Linus Torvalds 2005-04-16 160 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 161 iavcc_r->vc_desc_cnt--;
^1da177e4c3f41 Linus Torvalds 2005-04-16 162 dev->desc_tbl[desc1 -1].timestamp = 0;
849e8caa477d72 David Howells 2008-07-30 163 IF_EVENT(printk("ia_hack: return_q skb = 0x%p desc = %d\n",
849e8caa477d72 David Howells 2008-07-30 164 dev->desc_tbl[desc1 -1].txskb, desc1);)
^1da177e4c3f41 Linus Torvalds 2005-04-16 165 if (iavcc_r->pcr < dev->rate_limit) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 166 IA_SKB_STATE (dev->desc_tbl[desc1-1].txskb) |= IA_TX_DONE;
^1da177e4c3f41 Linus Torvalds 2005-04-16 167 if (ia_enque_rtn_q(&dev->tx_return_q, dev->desc_tbl[desc1 -1]) < 0)
^1da177e4c3f41 Linus Torvalds 2005-04-16 168 printk("ia_hack_tcq: No memory available\n");
^1da177e4c3f41 Linus Torvalds 2005-04-16 169 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 170 dev->desc_tbl[desc1 -1].iavcc = NULL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 171 dev->desc_tbl[desc1 -1].txskb = NULL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 172 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 173 dev->host_tcq_wr += 2;
^1da177e4c3f41 Linus Torvalds 2005-04-16 174 if (dev->host_tcq_wr > dev->ffL.tcq_ed)
^1da177e4c3f41 Linus Torvalds 2005-04-16 175 dev->host_tcq_wr = dev->ffL.tcq_st;
^1da177e4c3f41 Linus Torvalds 2005-04-16 176 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 177 } /* ia_hack_tcq */
^1da177e4c3f41 Linus Torvalds 2005-04-16 178

:::::: The code at line 151 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests