Author: kib
Date: Mon Nov 13 09:10:17 2017
New Revision: 325757
URL: https://svnweb.freebsd.org/changeset/base/325757
Log:
MFC r325671:
Check that the pmc index is less than the number of hardware PMCs,
instead of asserting the condition.
Modified:
stable/10/sys/dev/hwpmc/hwpmc_mod.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/dev/hwpmc/hwpmc_mod.c
==============================================================================
--- stable/10/sys/dev/hwpmc/hwpmc_mod.c Mon Nov 13 09:07:30 2017
(r325756)
+++ stable/10/sys/dev/hwpmc/hwpmc_mod.c Mon Nov 13 09:10:17 2017
(r325757)
@@ -2583,6 +2583,8 @@ pmc_find_pmc(pmc_id_t pmcid, struct pmc **pmc)
struct pmc_owner *po;
PMCDBG1(PMC,FND,1, "find-pmc id=%d", pmcid);
+ if (PMC_ID_TO_ROWINDEX(pmcid) >= md->pmd_npmc)
+ return (EINVAL);
if ((po = pmc_find_owner_descriptor(curthread->td_proc)) == NULL)
return ESRCH;
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