Author: kib
Date: Tue Aug 15 09:36:00 2017
New Revision: 322532
URL: https://svnweb.freebsd.org/changeset/base/322532

Log:
  MFC r322256:
  Fix logic error in the the assert, causing the condition to be always true.
  
  PR:   217741

Modified:
  stable/11/sys/dev/hwpmc/hwpmc_piv.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/dev/hwpmc/hwpmc_piv.c
==============================================================================
--- stable/11/sys/dev/hwpmc/hwpmc_piv.c Tue Aug 15 09:21:46 2017        
(r322531)
+++ stable/11/sys/dev/hwpmc/hwpmc_piv.c Tue Aug 15 09:36:00 2017        
(r322532)
@@ -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);
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