Author: kib Date: Tue Aug 8 15:46:29 2017 New Revision: 322256 URL: https://svnweb.freebsd.org/changeset/base/322256
Log: Fix logic error in the the assert, causing the condition to be always true. Also improve the formatting of the corresponding KASSERT message. Based on the submission by: Svyatoslav <razmys...@viva64.com> Found by: PVS-Studio PR: 217741 Reviewed by: emaste Sponsored by: The FreeBSD Foundation (kib) MFC after: 1 week Modified: head/sys/dev/hwpmc/hwpmc_piv.c Modified: head/sys/dev/hwpmc/hwpmc_piv.c ============================================================================== --- head/sys/dev/hwpmc/hwpmc_piv.c Tue Aug 8 15:37:21 2017 (r322255) +++ head/sys/dev/hwpmc/hwpmc_piv.c Tue Aug 8 15:46:29 2017 (r322256) @@ -809,8 +809,8 @@ p4_config_pmc(int cpu, int ri, struct pmc *pm) mtx_lock_spin(&pc->pc_mtx); cfgflags = P4_PCPU_GET_CFGFLAGS(pc,ri); - KASSERT(cfgflags >= 0 || cfgflags <= 3, - ("[p4,%d] illegal cfgflags cfg=%d on cpu=%d ri=%d", __LINE__, + KASSERT((cfgflags & ~0x3) == 0, + ("[p4,%d] illegal cfgflags cfg=%#x on cpu=%d ri=%d", __LINE__, cfgflags, cpu, ri)); KASSERT(cfgflags == 0 || phw->phw_pmc, @@ -835,8 +835,8 @@ p4_config_pmc(int cpu, int ri, struct pmc *pm) phw->phw_pmc = NULL; } - KASSERT(cfgflags >= 0 || cfgflags <= 3, - ("[p4,%d] illegal runcount cfg=%d on cpu=%d ri=%d", __LINE__, + KASSERT((cfgflags & ~0x3) == 0, + ("[p4,%d] illegal runcount cfg=%#x on cpu=%d ri=%d", __LINE__, cfgflags, cpu, ri)); P4_PCPU_SET_CFGFLAGS(pc,ri,cfgflags); _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"