Displaying 2 results from an estimated 2 matches for "trace_xen_mc_callback".
2013 Feb 08
1
[PATCH linux-next] xen/multicall: xen_mc_callback(): avoid buffer overflow
...195,10 @@ void xen_mc_callback(void (*fn)(void *), void *data)
struct mc_buffer *b = &__get_cpu_var(mc_buffer);
struct callback *cb;
- if (b->cbidx == MC_BATCH) {
+ if (b->cbidx >= MC_BATCH) {
trace_xen_mc_flush_reason(XEN_MC_FL_CALLBACK);
xen_mc_flush();
+ return;
}
trace_xen_mc_callback(fn, data);
--
1.7.9.5
2013 Feb 08
1
[PATCH linux-next] xen/multicall: xen_mc_callback(): avoid buffer overflow
...195,10 @@ void xen_mc_callback(void (*fn)(void *), void *data)
struct mc_buffer *b = &__get_cpu_var(mc_buffer);
struct callback *cb;
- if (b->cbidx == MC_BATCH) {
+ if (b->cbidx >= MC_BATCH) {
trace_xen_mc_flush_reason(XEN_MC_FL_CALLBACK);
xen_mc_flush();
+ return;
}
trace_xen_mc_callback(fn, data);
--
1.7.9.5