svn commit: r210267 - head/sys/dev/bce
Pyun YongHyeon
yongari at FreeBSD.org
Mon Jul 19 23:25:19 UTC 2010
Author: yongari
Date: Mon Jul 19 23:25:19 2010
New Revision: 210267
URL: http://svn.freebsd.org/changeset/base/210267
Log:
Add KASSERT to check number of returned DMA segments.
Reviewed by: davidch
Modified:
head/sys/dev/bce/if_bce.c
Modified: head/sys/dev/bce/if_bce.c
==============================================================================
--- head/sys/dev/bce/if_bce.c Mon Jul 19 22:28:07 2010 (r210266)
+++ head/sys/dev/bce/if_bce.c Mon Jul 19 23:25:19 2010 (r210267)
@@ -3088,6 +3088,8 @@ bce_dma_map_addr(void *arg, bus_dma_segm
{
bus_addr_t *busaddr = arg;
+ KASSERT(nseg == 1, ("%s(): Too many segments returned (%d)!",
+ __FUNCTION__, nseg));
/* Simulate a mapping failure. */
DBRUNIF(DB_RANDOMTRUE(dma_map_addr_failed_sim_control),
error = ENOMEM);
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