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| author | neel <neel@FreeBSD.org> | 2010-09-29 21:53:11 +0000 |
|---|---|---|
| committer | neel <neel@FreeBSD.org> | 2010-09-29 21:53:11 +0000 |
| commit | 11129fcf491c89baed716c5d05f041ae2fbd311b (patch) | |
| tree | 8dd6d90fb3510e33b6be7fb425abe622a1356320 /sys/i386 | |
| parent | e63f3dc97af9bfe7754f93fcde7246db0f31e89b (diff) | |
| download | FreeBSD-src-11129fcf491c89baed716c5d05f041ae2fbd311b.zip FreeBSD-src-11129fcf491c89baed716c5d05f041ae2fbd311b.tar.gz | |
Fix bogus error message from bus_dmamem_alloc() about incorrect alignment.
The check for alignment should be made against the physical address and not
the virtual address that maps it.
Sponsored by: NetApp
Submitted by: Will McGovern (will at netapp dot com)
Reviewed by: mjacob, jhb
Diffstat (limited to 'sys/i386')
| -rw-r--r-- | sys/i386/i386/busdma_machdep.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/i386/i386/busdma_machdep.c b/sys/i386/i386/busdma_machdep.c index e59add7..45ab8b3 100644 --- a/sys/i386/i386/busdma_machdep.c +++ b/sys/i386/i386/busdma_machdep.c @@ -540,7 +540,7 @@ bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags, CTR4(KTR_BUSDMA, "%s: tag %p tag flags 0x%x error %d", __func__, dmat, dmat->flags, ENOMEM); return (ENOMEM); - } else if ((uintptr_t)*vaddr & (dmat->alignment - 1)) { + } else if (vtophys(*vaddr) & (dmat->alignment - 1)) { printf("bus_dmamem_alloc failed to align memory properly.\n"); } if (flags & BUS_DMA_NOCACHE) |
