22 lines
1.0 KiB
Diff
22 lines
1.0 KiB
Diff
Index: xen-4.1.2-testing/tools/ioemu-qemu-xen/hw/e1000.c
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===================================================================
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--- xen-4.1.2-testing.orig/tools/ioemu-qemu-xen/hw/e1000.c
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+++ xen-4.1.2-testing/tools/ioemu-qemu-xen/hw/e1000.c
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@@ -444,6 +444,8 @@ process_tx_desc(E1000State *s, struct e1
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bytes = split_size;
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if (tp->size + bytes > msh)
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bytes = msh - tp->size;
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+
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+ bytes = MIN(sizeof(tp->data) - tp->size, bytes);
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cpu_physical_memory_read(addr, tp->data + tp->size, bytes);
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if ((sz = tp->size + bytes) >= hdr && tp->size < hdr)
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memmove(tp->header, tp->data, hdr);
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@@ -459,6 +461,7 @@ process_tx_desc(E1000State *s, struct e1
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// context descriptor TSE is not set, while data descriptor TSE is set
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DBGOUT(TXERR, "TCP segmentaion Error\n");
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} else {
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+ split_size = MIN(sizeof(tp->data) - tp->size, split_size);
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cpu_physical_memory_read(addr, tp->data + tp->size, split_size);
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tp->size += split_size;
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}
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