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Date: Sun, 6 Nov 2022 03:44:16 +0800
From: kernel test robot <lkp@...el.com>
To: Stafford Horne <shorne@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: drivers/net/wireless/intel/iwlegacy/4965-mac.c:1653:29: warning:
variable 'out_meta' set but not used
Hi Stafford,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4869f5750afdb10a0e9cfa0252fce33e53ab681e
commit: ded2ee36313c941f1a12b6f85cde295b575264ae openrisc: Add pci bus support
date: 3 months ago
config: openrisc-randconfig-r001-20221106
compiler: or1k-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ded2ee36313c941f1a12b6f85cde295b575264ae
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout ded2ee36313c941f1a12b6f85cde295b575264ae
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=openrisc SHELL=/bin/bash drivers/net/wireless/intel/iwlegacy/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
drivers/net/wireless/intel/iwlegacy/4965-mac.c: In function 'il4965_tx_skb':
>> drivers/net/wireless/intel/iwlegacy/4965-mac.c:1653:29: warning: variable 'out_meta' set but not used [-Wunused-but-set-variable]
1653 | struct il_cmd_meta *out_meta;
| ^~~~~~~~
vim +/out_meta +1653 drivers/net/wireless/intel/iwlegacy/4965-mac.c
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1638
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1639 /*
4d69c7521a90cb drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-08-30 1640 * start C_TX command process
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1641 */
e7392364fcd100 drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1642 int
36323f817af037 drivers/net/wireless/iwlegacy/4965-mac.c Thomas Huehn 2012-07-23 1643 il4965_tx_skb(struct il_priv *il,
36323f817af037 drivers/net/wireless/iwlegacy/4965-mac.c Thomas Huehn 2012-07-23 1644 struct ieee80211_sta *sta,
36323f817af037 drivers/net/wireless/iwlegacy/4965-mac.c Thomas Huehn 2012-07-23 1645 struct sk_buff *skb)
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1646 {
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1647 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1648 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1649 struct il_station_priv *sta_priv = NULL;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1650 struct il_tx_queue *txq;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1651 struct il_queue *q;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1652 struct il_device_cmd *out_cmd;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 @1653 struct il_cmd_meta *out_meta;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1654 struct il_tx_cmd *tx_cmd;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1655 int txq_id;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1656 dma_addr_t phys_addr;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1657 dma_addr_t txcmd_phys;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1658 dma_addr_t scratch_phys;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1659 u16 len, firstlen, secondlen;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1660 u16 seq_number = 0;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1661 __le16 fc;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1662 u8 hdr_len;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1663 u8 sta_id;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1664 u8 wait_write_ptr = 0;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1665 u8 tid = 0;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1666 u8 *qc = NULL;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1667 unsigned long flags;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1668 bool is_agg = false;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1669
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1670 spin_lock_irqsave(&il->lock, flags);
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1671 if (il_is_rfkill(il)) {
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1672 D_DROP("Dropping - RF KILL\n");
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1673 goto drop_unlock;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1674 }
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1675
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1676 fc = hdr->frame_control;
a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1677
:::::: The code at line 1653 was first introduced by commit
:::::: a1751b22a82e6cd2da6c9e79611cfd6d6aba1d39 iwlegacy: merge iwl-4965-{tx,rx}.c into 4965-mac.c
:::::: TO: Stanislaw Gruszka <sgruszka@...hat.com>
:::::: CC: Stanislaw Gruszka <sgruszka@...hat.com>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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