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| author | yongari <yongari@FreeBSD.org> | 2010-07-19 23:25:19 +0000 |
|---|---|---|
| committer | yongari <yongari@FreeBSD.org> | 2010-07-19 23:25:19 +0000 |
| commit | 8c83d23ff01634af89e336ad2bf4e84ec778b1cc (patch) | |
| tree | d452eba4dafc69805082281e44e71542bd66adcd /sys/dev/bce | |
| parent | 4dc0d673ed0e553f2fbb6cbe52a86e5d4d134394 (diff) | |
| download | FreeBSD-src-8c83d23ff01634af89e336ad2bf4e84ec778b1cc.zip FreeBSD-src-8c83d23ff01634af89e336ad2bf4e84ec778b1cc.tar.gz | |
Add KASSERT to check number of returned DMA segments.
Reviewed by: davidch
Diffstat (limited to 'sys/dev/bce')
| -rw-r--r-- | sys/dev/bce/if_bce.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/bce/if_bce.c b/sys/dev/bce/if_bce.c index c3477f8..3bd2470 100644 --- a/sys/dev/bce/if_bce.c +++ b/sys/dev/bce/if_bce.c @@ -3088,6 +3088,8 @@ bce_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) { 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); |
