svn commit: r354472 - stable/12/sys/net

[Vincenzo Maffione]

Author: vmaffione
Date: Thu Nov  7 20:11:53 2019
New Revision: 354472
URL: https://svnweb.freebsd.org/changeset/base/354472

Log:
  MFC r354231
  
  netmap: fix build issue in netmap_user.h
  
  The issue was a comparison of integers of different signs
  on 32 bit architectures.
  
  Reported by:    jenkins
  MFC after:      1 week

Modified:
  stable/12/sys/net/netmap_user.h
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/net/netmap_user.h
==============================================================================
--- stable/12/sys/net/netmap_user.h	Thu Nov  7 20:09:41 2019	(r354471)
+++ stable/12/sys/net/netmap_user.h	Thu Nov  7 20:11:53 2019	(r354472)
@@ -1116,7 +1116,7 @@ nm_dispatch(struct nm_desc *d, int cnt, nm_cb_t cb, u_
 				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;