The variable imr is initialized but never used otherwise.
Signed-off-by: Haowen Bai <[email protected]>
---
drivers/net/ethernet/dec/tulip/de4x5.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c
index 71730ef4cd57..40a54827d599 100644
--- a/drivers/net/ethernet/dec/tulip/de4x5.c
+++ b/drivers/net/ethernet/dec/tulip/de4x5.c
@@ -3817,10 +3817,9 @@ de4x5_setup_intr(struct net_device *dev)
{
struct de4x5_private *lp = netdev_priv(dev);
u_long iobase = dev->base_addr;
- s32 imr, sts;
+ s32 sts;
if (inl(DE4X5_OMR) & OMR_SR) { /* Only unmask if TX/RX is enabled */
- imr = 0;
UNMASK_IRQs;
sts = inl(DE4X5_STS); /* Reset any pending (stale) interrupts */
outl(sts, DE4X5_STS);
--
2.7.4
Hi Haowen,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on horms-ipvs/master]
[also build test ERROR on v5.18]
[cannot apply to net-next/master net/master linus/master next-20220601]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/intel-lab-lkp/linux/commits/Haowen-Bai/net-tulip-de4x5-remove-unused-variable/20220601-152922
base: https://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs.git master
config: i386-randconfig-a004 (https://download.01.org/0day-ci/archive/20220601/[email protected]/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c825abd6b0198fb088d9752f556a70705bc99dfd)
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://github.com/intel-lab-lkp/linux/commit/98c118e28527e7ff29469521c68414943a7cfc3a
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Haowen-Bai/net-tulip-de4x5-remove-unused-variable/20220601-152922
git checkout 98c118e28527e7ff29469521c68414943a7cfc3a
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <[email protected]>
All errors (new ones prefixed by >>):
>> drivers/net/ethernet/dec/tulip/de4x5.c:3823:2: error: use of undeclared identifier 'imr'
UNMASK_IRQs;
^
drivers/net/ethernet/dec/tulip/de4x5.c:694:5: note: expanded from macro 'UNMASK_IRQs'
imr |= lp->irq_mask;\
^
>> drivers/net/ethernet/dec/tulip/de4x5.c:3823:2: error: use of undeclared identifier 'imr'
drivers/net/ethernet/dec/tulip/de4x5.c:695:10: note: expanded from macro 'UNMASK_IRQs'
outl(imr, DE4X5_IMR); /* Unmask the IRQs */\
^
drivers/net/ethernet/dec/tulip/de4x5.c:3826:2: error: use of undeclared identifier 'imr'
ENABLE_IRQs;
^
drivers/net/ethernet/dec/tulip/de4x5.c:683:5: note: expanded from macro 'ENABLE_IRQs'
imr |= lp->irq_en;\
^
drivers/net/ethernet/dec/tulip/de4x5.c:3826:2: error: use of undeclared identifier 'imr'
drivers/net/ethernet/dec/tulip/de4x5.c:684:10: note: expanded from macro 'ENABLE_IRQs'
outl(imr, DE4X5_IMR); /* Enable the IRQs */\
^
4 errors generated.
vim +/imr +3823 drivers/net/ethernet/dec/tulip/de4x5.c
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3814
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3815 static void
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3816 de4x5_setup_intr(struct net_device *dev)
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3817 {
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3818 struct de4x5_private *lp = netdev_priv(dev);
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3819 u_long iobase = dev->base_addr;
98c118e28527e7 drivers/net/ethernet/dec/tulip/de4x5.c Haowen Bai 2022-06-01 3820 s32 sts;
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3821
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3822 if (inl(DE4X5_OMR) & OMR_SR) { /* Only unmask if TX/RX is enabled */
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 @3823 UNMASK_IRQs;
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3824 sts = inl(DE4X5_STS); /* Reset any pending (stale) interrupts */
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3825 outl(sts, DE4X5_STS);
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3826 ENABLE_IRQs;
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3827 }
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3828 }
^1da177e4c3f41 drivers/net/tulip/de4x5.c Linus Torvalds 2005-04-16 3829
--
0-DAY CI Kernel Test Service
https://01.org/lkp
在 2022/6/1 下午3:24, Haowen Bai 写道:
> The variable imr is initialized but never used otherwise.
>
> Signed-off-by: Haowen Bai <[email protected]>
> ---
> drivers/net/ethernet/dec/tulip/de4x5.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c
> index 71730ef4cd57..40a54827d599 100644
> --- a/drivers/net/ethernet/dec/tulip/de4x5.c
> +++ b/drivers/net/ethernet/dec/tulip/de4x5.c
> @@ -3817,10 +3817,9 @@ de4x5_setup_intr(struct net_device *dev)
> {
> struct de4x5_private *lp = netdev_priv(dev);
> u_long iobase = dev->base_addr;
> - s32 imr, sts;
> + s32 sts;
>
> if (inl(DE4X5_OMR) & OMR_SR) { /* Only unmask if TX/RX is enabled */
> - imr = 0;
> UNMASK_IRQs;
> sts = inl(DE4X5_STS); /* Reset any pending (stale) interrupts */
> outl(sts, DE4X5_STS);
Sorry, ignore this patch.
--
Haowen Bai