K 10
svn:author
V 2
kp
K 8
svn:date
V 27
2020-09-02T11:33:31.414125Z
K 7
svn:log
V 176
riscv: very large dma mappings can cause integer overflow

Fix the return type for _bus_dmamap_addseg().
Based on the same fix done for arm64 in r348571.

Sponsored by:	Axiado

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