Messages in this thread | | | Date | Fri, 17 Jun 2022 14:27:17 +0800 | From | kernel test robot <> | Subject | [cip:linux-4.19.y-cip-rt-rebase 2065/9999] net/xfrm/xfrm_ipcomp.c:40:30: warning: 'ipcomp_scratches_lock' defined but not used |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/cip/linux-cip.git linux-4.19.y-cip-rt-rebase head: 4784425d57541175db8c44ceef091a8fb42e5c6f commit: ad01e51437422285ac98eced7c7136b368bd2ffc [2065/9999] net: xfrm: fix compress vs decompress serialization config: x86_64-randconfig-a015 (https://download.01.org/0day-ci/archive/20220617/202206171457.YUwoAiZH-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/cip/linux-cip.git/commit/?id=ad01e51437422285ac98eced7c7136b368bd2ffc git remote add cip https://git.kernel.org/pub/scm/linux/kernel/git/cip/linux-cip.git git fetch --no-tags cip linux-4.19.y-cip-rt-rebase git checkout ad01e51437422285ac98eced7c7136b368bd2ffc # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash net/xfrm/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from net/xfrm/xfrm_ipcomp.c:23: >> net/xfrm/xfrm_ipcomp.c:40:30: warning: 'ipcomp_scratches_lock' defined but not used [-Wunused-const-variable=] 40 | static DEFINE_LOCAL_IRQ_LOCK(ipcomp_scratches_lock); | ^~~~~~~~~~~~~~~~~~~~~ include/linux/locallock.h:244:71: note: in definition of macro 'DEFINE_LOCAL_IRQ_LOCK' 244 | #define DEFINE_LOCAL_IRQ_LOCK(lvar) __typeof__(const int) lvar | ^~~~
vim +/ipcomp_scratches_lock +40 net/xfrm/xfrm_ipcomp.c
> 23 #include <linux/locallock.h> 24 #include <linux/percpu.h> 25 #include <linux/slab.h> 26 #include <linux/smp.h> 27 #include <linux/vmalloc.h> 28 #include <net/ip.h> 29 #include <net/ipcomp.h> 30 #include <net/xfrm.h> 31 32 struct ipcomp_tfms { 33 struct list_head list; 34 struct crypto_comp * __percpu *tfms; 35 int users; 36 }; 37 38 static DEFINE_MUTEX(ipcomp_resource_mutex); 39 static void * __percpu *ipcomp_scratches; > 40 static DEFINE_LOCAL_IRQ_LOCK(ipcomp_scratches_lock); 41 static int ipcomp_scratch_users; 42 static LIST_HEAD(ipcomp_tfms_list); 43
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