* [android-common:android14-6.1-2025-04 1/1] drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c:780:38: warning: default initialization of an object of type 'typeof (timeout)' (aka 'const unsigned long') leaves the object uninitialized
@ 2026-05-24 1:36 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-05-24 1:36 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
Hi Jiri,
FYI, the error/warning still remains.
tree: https://android.googlesource.com/kernel/common android14-6.1-2025-04
head: 360d1154b6351162ad1018a73f58cb5d21cca03b
commit: ec6f22171dc266f410335068291f2149b64e8363 [1/1] net: wwan: t7xx: do not compile with -Werror
config: arm64-randconfig-002-20260524 (https://download.01.org/0day-ci/archive/20260524/202605240931.wfixFUpT-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260524/202605240931.wfixFUpT-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605240931.wfixFUpT-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c:780:38: warning: default initialization of an object of type 'typeof (timeout)' (aka 'const unsigned long') leaves the object uninitialized [-Wdefault-const-init-var-unsafe]
780 | if (!skb_info->msg_pit_received && time_after_eq(jiffies, timeout))
| ^
include/linux/jiffies.h:112:3: note: expanded from macro 'time_after_eq'
112 | typecheck(unsigned long, b) && \
| ^
include/linux/typecheck.h:11:12: note: expanded from macro 'typecheck'
11 | typeof(x) __dummy2; \
| ^
1 warning generated.
vim +780 drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c
d642b012df70a7 Haijun Liu 2022-05-06 763
d642b012df70a7 Haijun Liu 2022-05-06 764 static int t7xx_dpmaif_rx_start(struct dpmaif_rx_queue *rxq, const unsigned int pit_cnt,
d642b012df70a7 Haijun Liu 2022-05-06 765 const unsigned long timeout)
d642b012df70a7 Haijun Liu 2022-05-06 766 {
d642b012df70a7 Haijun Liu 2022-05-06 767 unsigned int cur_pit, pit_len, rx_cnt, recv_skb_cnt = 0;
d642b012df70a7 Haijun Liu 2022-05-06 768 struct device *dev = rxq->dpmaif_ctrl->dev;
d642b012df70a7 Haijun Liu 2022-05-06 769 struct dpmaif_cur_rx_skb_info *skb_info;
d642b012df70a7 Haijun Liu 2022-05-06 770 int ret = 0;
d642b012df70a7 Haijun Liu 2022-05-06 771
d642b012df70a7 Haijun Liu 2022-05-06 772 pit_len = rxq->pit_size_cnt;
d642b012df70a7 Haijun Liu 2022-05-06 773 skb_info = &rxq->rx_data_info;
d642b012df70a7 Haijun Liu 2022-05-06 774 cur_pit = rxq->pit_rd_idx;
d642b012df70a7 Haijun Liu 2022-05-06 775
d642b012df70a7 Haijun Liu 2022-05-06 776 for (rx_cnt = 0; rx_cnt < pit_cnt; rx_cnt++) {
d642b012df70a7 Haijun Liu 2022-05-06 777 struct dpmaif_pit *pkt_info;
d642b012df70a7 Haijun Liu 2022-05-06 778 u32 val;
d642b012df70a7 Haijun Liu 2022-05-06 779
d642b012df70a7 Haijun Liu 2022-05-06 @780 if (!skb_info->msg_pit_received && time_after_eq(jiffies, timeout))
d642b012df70a7 Haijun Liu 2022-05-06 781 break;
d642b012df70a7 Haijun Liu 2022-05-06 782
d642b012df70a7 Haijun Liu 2022-05-06 783 pkt_info = (struct dpmaif_pit *)rxq->pit_base + cur_pit;
d642b012df70a7 Haijun Liu 2022-05-06 784 if (t7xx_dpmaif_check_pit_seq(rxq, pkt_info)) {
d642b012df70a7 Haijun Liu 2022-05-06 785 dev_err_ratelimited(dev, "RXQ%u checks PIT SEQ fail\n", rxq->index);
d642b012df70a7 Haijun Liu 2022-05-06 786 return -EAGAIN;
d642b012df70a7 Haijun Liu 2022-05-06 787 }
d642b012df70a7 Haijun Liu 2022-05-06 788
d642b012df70a7 Haijun Liu 2022-05-06 789 val = FIELD_GET(PD_PIT_PACKET_TYPE, le32_to_cpu(pkt_info->header));
d642b012df70a7 Haijun Liu 2022-05-06 790 if (val == DES_PT_MSG) {
d642b012df70a7 Haijun Liu 2022-05-06 791 if (skb_info->msg_pit_received)
d642b012df70a7 Haijun Liu 2022-05-06 792 dev_err(dev, "RXQ%u received repeated PIT\n", rxq->index);
d642b012df70a7 Haijun Liu 2022-05-06 793
d642b012df70a7 Haijun Liu 2022-05-06 794 skb_info->msg_pit_received = true;
d642b012df70a7 Haijun Liu 2022-05-06 795 t7xx_dpmaif_parse_msg_pit(rxq, pkt_info, skb_info);
d642b012df70a7 Haijun Liu 2022-05-06 796 } else { /* DES_PT_PD */
d642b012df70a7 Haijun Liu 2022-05-06 797 val = FIELD_GET(PD_PIT_BUFFER_TYPE, le32_to_cpu(pkt_info->header));
d642b012df70a7 Haijun Liu 2022-05-06 798 if (val != PKT_BUF_FRAG)
d642b012df70a7 Haijun Liu 2022-05-06 799 ret = t7xx_dpmaif_get_rx_pkt(rxq, pkt_info, skb_info);
d642b012df70a7 Haijun Liu 2022-05-06 800 else if (!skb_info->cur_skb)
d642b012df70a7 Haijun Liu 2022-05-06 801 ret = -EINVAL;
d642b012df70a7 Haijun Liu 2022-05-06 802 else
d642b012df70a7 Haijun Liu 2022-05-06 803 ret = t7xx_dpmaif_get_frag(rxq, pkt_info, skb_info);
d642b012df70a7 Haijun Liu 2022-05-06 804
d642b012df70a7 Haijun Liu 2022-05-06 805 if (ret < 0) {
d642b012df70a7 Haijun Liu 2022-05-06 806 skb_info->err_payload = 1;
d642b012df70a7 Haijun Liu 2022-05-06 807 dev_err_ratelimited(dev, "RXQ%u error payload\n", rxq->index);
d642b012df70a7 Haijun Liu 2022-05-06 808 }
d642b012df70a7 Haijun Liu 2022-05-06 809
d642b012df70a7 Haijun Liu 2022-05-06 810 val = FIELD_GET(PD_PIT_CONT, le32_to_cpu(pkt_info->header));
d642b012df70a7 Haijun Liu 2022-05-06 811 if (!val) {
d642b012df70a7 Haijun Liu 2022-05-06 812 if (!skb_info->err_payload) {
d642b012df70a7 Haijun Liu 2022-05-06 813 t7xx_dpmaif_rx_skb(rxq, skb_info);
d642b012df70a7 Haijun Liu 2022-05-06 814 } else if (skb_info->cur_skb) {
d642b012df70a7 Haijun Liu 2022-05-06 815 dev_kfree_skb_any(skb_info->cur_skb);
d642b012df70a7 Haijun Liu 2022-05-06 816 skb_info->cur_skb = NULL;
d642b012df70a7 Haijun Liu 2022-05-06 817 }
d642b012df70a7 Haijun Liu 2022-05-06 818
d642b012df70a7 Haijun Liu 2022-05-06 819 memset(skb_info, 0, sizeof(*skb_info));
d642b012df70a7 Haijun Liu 2022-05-06 820
d642b012df70a7 Haijun Liu 2022-05-06 821 recv_skb_cnt++;
d642b012df70a7 Haijun Liu 2022-05-06 822 if (!(recv_skb_cnt & DPMAIF_RX_PUSH_THRESHOLD_MASK)) {
d642b012df70a7 Haijun Liu 2022-05-06 823 wake_up_all(&rxq->rx_wq);
d642b012df70a7 Haijun Liu 2022-05-06 824 recv_skb_cnt = 0;
d642b012df70a7 Haijun Liu 2022-05-06 825 }
d642b012df70a7 Haijun Liu 2022-05-06 826 }
d642b012df70a7 Haijun Liu 2022-05-06 827 }
d642b012df70a7 Haijun Liu 2022-05-06 828
d642b012df70a7 Haijun Liu 2022-05-06 829 cur_pit = t7xx_ring_buf_get_next_wr_idx(pit_len, cur_pit);
d642b012df70a7 Haijun Liu 2022-05-06 830 rxq->pit_rd_idx = cur_pit;
d642b012df70a7 Haijun Liu 2022-05-06 831 rxq->pit_remain_release_cnt++;
d642b012df70a7 Haijun Liu 2022-05-06 832
d642b012df70a7 Haijun Liu 2022-05-06 833 if (rx_cnt > 0 && !(rx_cnt % DPMAIF_NOTIFY_RELEASE_COUNT)) {
d642b012df70a7 Haijun Liu 2022-05-06 834 ret = t7xx_dpmaifq_rx_notify_hw(rxq);
d642b012df70a7 Haijun Liu 2022-05-06 835 if (ret < 0)
d642b012df70a7 Haijun Liu 2022-05-06 836 break;
d642b012df70a7 Haijun Liu 2022-05-06 837 }
d642b012df70a7 Haijun Liu 2022-05-06 838 }
d642b012df70a7 Haijun Liu 2022-05-06 839
d642b012df70a7 Haijun Liu 2022-05-06 840 if (recv_skb_cnt)
d642b012df70a7 Haijun Liu 2022-05-06 841 wake_up_all(&rxq->rx_wq);
d642b012df70a7 Haijun Liu 2022-05-06 842
d642b012df70a7 Haijun Liu 2022-05-06 843 if (!ret)
d642b012df70a7 Haijun Liu 2022-05-06 844 ret = t7xx_dpmaifq_rx_notify_hw(rxq);
d642b012df70a7 Haijun Liu 2022-05-06 845
d642b012df70a7 Haijun Liu 2022-05-06 846 if (ret)
d642b012df70a7 Haijun Liu 2022-05-06 847 return ret;
d642b012df70a7 Haijun Liu 2022-05-06 848
d642b012df70a7 Haijun Liu 2022-05-06 849 return rx_cnt;
d642b012df70a7 Haijun Liu 2022-05-06 850 }
d642b012df70a7 Haijun Liu 2022-05-06 851
:::::: The code at line 780 was first introduced by commit
:::::: d642b012df70a76dd5723f2d426b40bffe83ac49 net: wwan: t7xx: Add data path interface
:::::: TO: Haijun Liu <haijun.liu@mediatek.com>
:::::: CC: David S. Miller <davem@davemloft.net>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2026-05-24 1:37 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-05-24 1:36 [android-common:android14-6.1-2025-04 1/1] drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c:780:38: warning: default initialization of an object of type 'typeof (timeout)' (aka 'const unsigned long') leaves the object uninitialized kernel test robot
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.