From: Michael S. Tsirkin <[email protected]>
The first buffer of a memory region is not required to be
page-aligned, so don't return an error if it's not.
Signed-off-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
--- linux-export.orig/drivers/infiniband/hw/mthca/mthca_provider.c 2005-04-01 12:38:20.839437009 -0800
+++ linux-export/drivers/infiniband/hw/mthca/mthca_provider.c 2005-04-01 12:38:21.926201103 -0800
@@ -494,7 +494,7 @@
mask = 0;
total_size = 0;
for (i = 0; i < num_phys_buf; ++i) {
- if (buffer_list[i].addr & ~PAGE_MASK)
+ if (i != 0 && buffer_list[i].addr & ~PAGE_MASK)
return ERR_PTR(-EINVAL);
if (i != 0 && i != num_phys_buf - 1 &&
(buffer_list[i].size & ~PAGE_MASK))
-
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