svn commit: r250105 - head/sys/dev/hwpmc
Gleb Smirnoff
glebius at FreeBSD.org
Wed May 1 10:47:07 UTC 2013
On Tue, Apr 30, 2013 at 08:10:17PM +0400, Sergey Kandaurov wrote:
S> On 30 April 2013 19:59, Davide Italiano <davide at freebsd.org> wrote:
S> > Author: davide
S> > Date: Tue Apr 30 15:59:22 2013
S> > New Revision: 250105
S> > URL: http://svnweb.freebsd.org/changeset/base/250105
S> >
S> > Log:
S> > malloc(9) cannot return NULL if M_WAITOK flag is specified.
S> >
S> > Modified:
S> > head/sys/dev/hwpmc/hwpmc_mod.c
S> > head/sys/dev/hwpmc/hwpmc_soft.c
S> >
S> > Modified: head/sys/dev/hwpmc/hwpmc_mod.c
S> > ==============================================================================
S> > --- head/sys/dev/hwpmc/hwpmc_mod.c Tue Apr 30 15:38:31 2013 (r250104)
S> > +++ head/sys/dev/hwpmc/hwpmc_mod.c Tue Apr 30 15:59:22 2013 (r250105)
S> > @@ -2210,11 +2210,8 @@ pmc_allocate_pmc_descriptor(void)
S> > struct pmc *pmc;
S> >
S> > pmc = malloc(sizeof(struct pmc), M_PMC, M_WAITOK|M_ZERO);
S> > -
S> > - if (pmc != NULL) {
S> > - pmc->pm_owner = NULL;
S> > - LIST_INIT(&pmc->pm_targets);
S> > - }
S> > + pmc->pm_owner = NULL;
S> > + LIST_INIT(&pmc->pm_targets);
S> >
S> > PMCDBG(PMC,ALL,1, "allocate-pmc -> pmc=%p", pmc);
S>
S> It looks like zeroing pm_owner can also be omitted with M_ZERO.
LIST_INIT is also an assignment of zero.
--
Totus tuus, Glebius.
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