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netmap: fix build issue in netmap_user.h

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The issue was a comparison of integers of different signs
on 32 bit architectures.

Reported by:	jenkins
MFC after:	1 week
This commit is contained in:
vmaffione 2019-10-31 22:16:20 +00:00
parent 78a2f9a94d
commit 15ff2564d1
1 changed files with 1 additions and 1 deletions
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2
sys/net/netmap_user.h
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@ -1116,7 +1116,7 @@ nm_dispatch(struct nm_desc *d, int cnt, nm_cb_t cb, u_char *arg)
slot = &ring->slot[i];
d->hdr.len += slot->len;
nbuf = (u_char *)NETMAP_BUF(ring, slot->buf_idx);
if (oldbuf != NULL && nbuf - oldbuf == ring->nr_buf_size &&
if (oldbuf != NULL && nbuf - oldbuf == (int)ring->nr_buf_size &&
oldlen == ring->nr_buf_size) {
d->hdr.caplen += slot->len;
oldbuf = nbuf;