Hi Xin, url: https://github.com/0day-ci/linux/commits/Xin-Long/xfrm-state-match-with-both-mark-and-mask-on-user-interfaces/20200630-141906 base: https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec.git master config: arm-randconfig-m031-20200701 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> smatch warnings: net/xfrm/xfrm_state.c:1760 xfrm_state_lookup_user() warn: ignoring unreachable code. # https://github.com/0day-ci/linux/commit/ef34e2d07ba51ae7e0ff334958449318e025e6b6 git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout ef34e2d07ba51ae7e0ff334958449318e025e6b6 vim +1760 net/xfrm/xfrm_state.c ef34e2d07ba51ae Xin Long 2020-06-30 1751 struct xfrm_state * ef34e2d07ba51ae Xin Long 2020-06-30 1752 xfrm_state_lookup_user(struct net *net, const struct xfrm_mark *mark, ef34e2d07ba51ae Xin Long 2020-06-30 1753 const xfrm_address_t *daddr, __be32 spi, ef34e2d07ba51ae Xin Long 2020-06-30 1754 u8 proto, unsigned short family) ef34e2d07ba51ae Xin Long 2020-06-30 1755 { ef34e2d07ba51ae Xin Long 2020-06-30 1756 struct xfrm_state *x; ef34e2d07ba51ae Xin Long 2020-06-30 1757 ef34e2d07ba51ae Xin Long 2020-06-30 1758 rcu_read_lock(); ef34e2d07ba51ae Xin Long 2020-06-30 1759 return __xfrm_state_lookup(net, 0, mark, daddr, spi, proto, family); ^^^^^^^ Should be "x = __xfrm_state_lookup();" ef34e2d07ba51ae Xin Long 2020-06-30 @1760 rcu_read_unlock(); ef34e2d07ba51ae Xin Long 2020-06-30 1761 return x; ef34e2d07ba51ae Xin Long 2020-06-30 1762 } ef34e2d07ba51ae Xin Long 2020-06-30 1763 EXPORT_SYMBOL(xfrm_state_lookup_user); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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