Author: kp
Date: Wed Sep 2 11:33:31 2020
New Revision: 365245
URL: https://svnweb.freebsd.org/changeset/base/365245
Log:
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
Modified:
head/sys/riscv/riscv/busdma_bounce.c
Modified: head/sys/riscv/riscv/busdma_bounce.c
==============================================================================
--- head/sys/riscv/riscv/busdma_bounce.c Wed Sep 2 11:18:21 2020
(r365244)
+++ head/sys/riscv/riscv/busdma_bounce.c Wed Sep 2 11:33:31 2020
(r365245)
@@ -633,7 +633,7 @@ _bus_dmamap_reserve_pages(bus_dma_tag_t dmat, bus_dmam
/*
* Add a single contiguous physical range to the segment list.
*/
-static int
+static bus_size_t
_bus_dmamap_addseg(bus_dma_tag_t dmat, bus_dmamap_t map, bus_addr_t curaddr,
bus_size_t sgsize, bus_dma_segment_t *segs, int *segp)
{
_______________________________________________
[email protected] mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "[email protected]"
