app-emulation/qemu: apply patch for vpc creation fix

sdk_container/src/third_party/coreos-overlay/app-emulation/qemu/files/0001-block-fix-vpc-max_table_entries-computation.patch

@@ -0,0 +1,25 @@
+From b737484f814da16b8e9d405219cc1c2e81321d6b Mon Sep 17 00:00:00 2001
+From: Nick Owens <mischief@offblast.org>
+Date: Mon, 28 Nov 2016 13:28:58 -0800
+Subject: [PATCH] block: fix vpc max_table_entries computation
+
+---
+ block/vpc.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/block/vpc.c b/block/vpc.c
+index 43707ed22c..beca222b98 100644
+--- a/block/vpc.c
++++ b/block/vpc.c
+@@ -787,7 +787,7 @@ static int create_dynamic_disk(BlockBackend *blk, uint8_t *buf,
+ 
+     /* Write the footer (twice: at the beginning and at the end) */
+     block_size = 0x200000;
+-    num_bat_entries = (total_sectors + block_size / 512) / (block_size / 512);
++    num_bat_entries = total_sectors / (block_size / 512);
+ 
+     ret = blk_pwrite(blk, offset, buf, HEADER_SIZE, 0);
+     if (ret < 0) {
+-- 
+2.11.0.rc2
+

sdk_container/src/third_party/coreos-overlay/app-emulation/qemu/qemu-2.7.0-r8.ebuild

@@ -364,6 +364,9 @@ src_prepare() {
 	epatch "${FILESDIR}"/${P}-CVE-2016-9105.patch   # bug 598328
 	epatch "${FILESDIR}"/${P}-CVE-2016-9106.patch   # bug 598772
 
+	# fix for vpc creation in qemu-img
+	epatch "${FILESDIR}"/0001-block-fix-vpc-max_table_entries-computation.patch
+
 	# Fix ld and objcopy being called directly
 	tc-export AR LD OBJCOPY