[dpdk-dev] vring_init bug
Xie, Huawei
huawei.xie at intel.com
Wed Sep 9 05:00:15 CEST 2015
static inline void
vring_init(struct vring *vr, unsigned int num, uint8_t *p,
unsigned long align)
{
vr->num = num;
vr->desc = (struct vring_desc *) p;
vr->avail = (struct vring_avail *) (p +
num * sizeof(struct vring_desc));
vr->used = (void *)
RTE_ALIGN_CEIL((uintptr_t)(&vr->avail->ring[num]), align);
}
There is a bug in vr->used calculation. 2 bytes of used_event_idx isn't
considered. Would submit a fix.
__u16 available[num];
__u16 used_event_idx;
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