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NETISR(9): Fix NULL pointer access

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Sebastian Huber 2013-11-12 09:36:18 +01:00
parent 0d48d6ede4
commit 760e894d54
1 changed files with 8 additions and 0 deletions
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8
freebsd/sys/net/netisr.c
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@ -1042,7 +1042,11 @@ netisr_dispatch_src(u_int proto, uintptr_t source, struct mbuf *m)
* to always being forced to directly dispatch. * to always being forced to directly dispatch.
*/ */
if (dispatch_policy == NETISR_DISPATCH_DIRECT) { if (dispatch_policy == NETISR_DISPATCH_DIRECT) {
#ifndef __rtems__
nwsp = DPCPU_PTR(nws); nwsp = DPCPU_PTR(nws);
#else /* __rtems__ */
nwsp = &rtems_bsd_nws;
#endif /* __rtems__ */
npwp = &nwsp->nws_work[proto]; npwp = &nwsp->nws_work[proto];
npwp->nw_dispatched++; npwp->nw_dispatched++;
npwp->nw_handled++; npwp->nw_handled++;
@ -1071,7 +1075,11 @@ netisr_dispatch_src(u_int proto, uintptr_t source, struct mbuf *m)
KASSERT(!CPU_ABSENT(cpuid), ("%s: CPU %u absent", __func__, cpuid)); KASSERT(!CPU_ABSENT(cpuid), ("%s: CPU %u absent", __func__, cpuid));
if (cpuid != curcpu) if (cpuid != curcpu)
goto queue_fallback; goto queue_fallback;
#ifndef __rtems__
nwsp = DPCPU_PTR(nws); nwsp = DPCPU_PTR(nws);
#else /* __rtems__ */
nwsp = &rtems_bsd_nws;
#endif /* __rtems__ */
npwp = &nwsp->nws_work[proto]; npwp = &nwsp->nws_work[proto];
/*- /*-