Author: emaste
Date: Mon Nov 19 19:30:30 2012
New Revision: 243304
URL: http://svnweb.freebsd.org/changeset/base/243304
Log:
MFC r241643: Avoid panic when a netmap instance cannot obtain memory.
A uint32_t is always >= 0.
Sponsored by: ADARA Networks
Modified:
stable/9/sys/dev/netmap/netmap_mem2.c
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/dev/ (props changed)
Modified: stable/9/sys/dev/netmap/netmap_mem2.c
==============================================================================
--- stable/9/sys/dev/netmap/netmap_mem2.c Mon Nov 19 19:26:59 2012
(r243303)
+++ stable/9/sys/dev/netmap/netmap_mem2.c Mon Nov 19 19:30:30 2012
(r243304)
@@ -324,7 +324,8 @@ netmap_new_bufs(struct netmap_if *nifp _
return;
cleanup:
- for (i--; i >= 0; i--) {
+ while (i > 0) {
+ i--;
netmap_obj_free(nm_mem->nm_buf_pool, slot[i].buf_idx);
}
}
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