Author: mmel
Date: Mon Dec 14 10:16:59 2020
New Revision: 368630
URL: https://svnweb.freebsd.org/changeset/base/368630
Log:
MFC r367955:
Ensure that the buffer is in nvme_single_map() mapped to single segment.
Not a functional change.
Modified:
stable/12/sys/dev/nvme/nvme_private.h
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/dev/nvme/nvme_private.h
==============================================================================
--- stable/12/sys/dev/nvme/nvme_private.h Mon Dec 14 10:14:32 2020
(r368629)
+++ stable/12/sys/dev/nvme/nvme_private.h Mon Dec 14 10:16:59 2020
(r368630)
@@ -477,6 +477,7 @@ nvme_single_map(void *arg, bus_dma_segment_t *seg, int
{
uint64_t *bus_addr = (uint64_t *)arg;
+ KASSERT(nseg == 1, ("number of segments (%d) is not 1", nseg));
if (error != 0)
printf("nvme_single_map err %d\n", error);
*bus_addr = seg[0].ds_addr;
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