Messages in this thread | | | Date | Fri, 14 Aug 2020 06:15:20 +0800 | From | kernel test robot <> | Subject | drivers/crypto/chelsio/chcr_ktls.c:391:15: warning: variable 'sk' set but not used |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dddcbc139e96bd18d8c65ef7b7e440f0d32457c2 commit: 76d7728db724466490c2c3dd4f84c3357f550615 crypto/chcr: IPV6 code needs to be in CONFIG_IPV6 date: 2 months ago config: ia64-randconfig-r033-20200814 (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 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 git checkout 76d7728db724466490c2c3dd4f84c3357f550615 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from arch/ia64/include/asm/pgtable.h:154, from arch/ia64/include/asm/uaccess.h:40, from include/linux/uaccess.h:11, from include/linux/sched/task.h:11, from include/linux/sched/signal.h:9, from include/linux/rcuwait.h:6, from include/linux/percpu-rwsem.h:7, from include/linux/fs.h:34, from include/linux/highmem.h:5, from drivers/crypto/chelsio/chcr_ktls.c:5: arch/ia64/include/asm/mmu_context.h: In function 'reload_context': arch/ia64/include/asm/mmu_context.h:137:41: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable] 137 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4; | ^~~~~~~ drivers/crypto/chelsio/chcr_ktls.c: In function 'chcr_ktls_dev_del': >> drivers/crypto/chelsio/chcr_ktls.c:391:15: warning: variable 'sk' set but not used [-Wunused-but-set-variable] 391 | struct sock *sk; | ^~
vim +/sk +391 drivers/crypto/chelsio/chcr_ktls.c
34aba2c45024a08 Rohit Maheshwari 2020-03-07 375 34aba2c45024a08 Rohit Maheshwari 2020-03-07 376 /* 34aba2c45024a08 Rohit Maheshwari 2020-03-07 377 * chcr_ktls_dev_del: call back for tls_dev_del. 34aba2c45024a08 Rohit Maheshwari 2020-03-07 378 * Remove the tid and l2t entry and close the connection. 34aba2c45024a08 Rohit Maheshwari 2020-03-07 379 * it per connection basis. 34aba2c45024a08 Rohit Maheshwari 2020-03-07 380 * @netdev - net device. 34aba2c45024a08 Rohit Maheshwari 2020-03-07 381 * @tls_cts - tls context. 34aba2c45024a08 Rohit Maheshwari 2020-03-07 382 * @direction - TX/RX crypto direction 34aba2c45024a08 Rohit Maheshwari 2020-03-07 383 */ a3ac249a1ab5755 Rohit Maheshwari 2020-06-01 384 void chcr_ktls_dev_del(struct net_device *netdev, 34aba2c45024a08 Rohit Maheshwari 2020-03-07 385 struct tls_context *tls_ctx, 34aba2c45024a08 Rohit Maheshwari 2020-03-07 386 enum tls_offload_ctx_dir direction) 34aba2c45024a08 Rohit Maheshwari 2020-03-07 387 { 34aba2c45024a08 Rohit Maheshwari 2020-03-07 388 struct chcr_ktls_ofld_ctx_tx *tx_ctx = 34aba2c45024a08 Rohit Maheshwari 2020-03-07 389 chcr_get_ktls_tx_context(tls_ctx); 34aba2c45024a08 Rohit Maheshwari 2020-03-07 390 struct chcr_ktls_info *tx_info = tx_ctx->chcr_info; 62370a4f346dda9 Rohit Maheshwari 2020-03-07 @391 struct sock *sk; 34aba2c45024a08 Rohit Maheshwari 2020-03-07 392 34aba2c45024a08 Rohit Maheshwari 2020-03-07 393 if (!tx_info) 34aba2c45024a08 Rohit Maheshwari 2020-03-07 394 return; 62370a4f346dda9 Rohit Maheshwari 2020-03-07 395 sk = tx_info->sk; 34aba2c45024a08 Rohit Maheshwari 2020-03-07 396 34aba2c45024a08 Rohit Maheshwari 2020-03-07 397 spin_lock(&tx_info->lock); 34aba2c45024a08 Rohit Maheshwari 2020-03-07 398 tx_info->connection_state = KTLS_CONN_CLOSED; 34aba2c45024a08 Rohit Maheshwari 2020-03-07 399 spin_unlock(&tx_info->lock); 34aba2c45024a08 Rohit Maheshwari 2020-03-07 400 62370a4f346dda9 Rohit Maheshwari 2020-03-07 401 /* clear l2t entry */ 34aba2c45024a08 Rohit Maheshwari 2020-03-07 402 if (tx_info->l2te) 34aba2c45024a08 Rohit Maheshwari 2020-03-07 403 cxgb4_l2t_release(tx_info->l2te); 34aba2c45024a08 Rohit Maheshwari 2020-03-07 404
:::::: The code at line 391 was first introduced by commit :::::: 62370a4f346dda9a7026445016db5f8eddd533a5 cxgb4/chcr: Add ipv6 support and statistics
:::::: TO: Rohit Maheshwari <rohitm@chelsio.com> :::::: CC: David S. Miller <davem@davemloft.net>
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