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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-28 09:49:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-28 09:49:27 -0700
commit0d8762c9ee40cf83d5dbf3a22843bc566912b592 (patch)
treed3ae691a55226e3671caa1f837e127693f6742e8 /lib
parentcf76dddb22c019f03ada6479210f894f19bd591b (diff)
parent6afe40b4dace385d7ba2faf24b352f066f3b71bf (diff)
downloadconfigs-0d8762c9ee40cf83d5dbf3a22843bc566912b592.tar.gz
Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: lockdep: fix irqs on/off ip tracing lockdep: minor fix for debug_show_all_locks() x86: restore the old swiotlb alloc_coherent behavior x86: use GFP_DMA for 24bit coherent_dma_mask swiotlb: remove panic for alloc_coherent failure xen: compilation fix of drivers/xen/events.c on IA64 xen: portability clean up and some minor clean up for xencomm.c xen: don't reload cr3 on suspend kernel/resource: fix reserve_region_with_split() section mismatch printk: remove unused code from kernel/printk.c
Diffstat (limited to 'lib')
-rw-r--r--lib/swiotlb.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index f8eebd48914..78330c37a61 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -497,8 +497,10 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
printk("hwdev DMA mask = 0x%016Lx, dev_addr = 0x%016Lx\n",
(unsigned long long)*hwdev->dma_mask,
(unsigned long long)dev_addr);
- panic("swiotlb_alloc_coherent: allocated memory is out of "
- "range for device");
+
+ /* DMA_TO_DEVICE to avoid memcpy in unmap_single */
+ unmap_single(hwdev, ret, size, DMA_TO_DEVICE);
+ return NULL;
}
*dma_handle = dev_addr;
return ret;