upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-04-22 06:39:32 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Don't page-align the physical address when calling PHYS_TO_VM_PAGE().

Browse source 
M    busdma_bounce.c
This commit is contained in:
Jason A. Harmening 2015-10-17 14:58:55 +00:00
parent c223ad05c4
commit 012cf46f07
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
sys/x86/x86/busdma_bounce.c
View file

@ -1006,7 +1006,8 @@ add_bounce_page(bus_dma_tag_t dmat, bus_dmamap_t map, vm_offset_t vaddr,
bpage->busaddr |= addr & PAGE_MASK;
}
bpage->datavaddr = vaddr;
bpage->datapage = PHYS_TO_VM_PAGE(addr & ~PAGE_MASK);
/* PHYS_TO_VM_PAGE() will truncate unaligned addresses. */
bpage->datapage = PHYS_TO_VM_PAGE(addr);
bpage->dataoffs = addr & PAGE_MASK;
bpage->datacount = size;
STAILQ_INSERT_TAIL(&(map->bpages), bpage, links);