linux-kernel - [PATCH] samples: fix compilation of mpssd

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Date:   Thu, 12 Jul 2018 08:17:36 +0300
From:   Constantine Shulyupin <const@...eLinux.com>
To:     Sudeep Dutt <sudeep.dutt@...el.com>,
        Ashutosh Dixit <ashutosh.dixit@...el.com>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Mark Rutland <mark.rutland@....com>,
        Ingo Molnar <mingo@...nel.org>,
        Constantine Shulyupin <const@...eLinux.com>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] samples: fix compilation of mpssd

Errors:

In file included from /usr/include/x86_64-linux-gnu/sys/types.h:194:0,
                 from /usr/include/stdlib.h:394,
                 from mpssd.c:23:
mpssd.c:93:10: error: initializer element is not constant
   .num = htole16(MIC_VRING_ENTRIES),

mpssd.c:610:10: warning: implicit declaration of function ‘readv’;

Signed-off-by: Constantine Shulyupin <const@...eLinux.com>
---
 samples/mic/mpssd/mpssd.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/samples/mic/mpssd/mpssd.c b/samples/mic/mpssd/mpssd.c
index f42ce551bb48..9cddb9cfdc79 100644
--- a/samples/mic/mpssd/mpssd.c
+++ b/samples/mic/mpssd/mpssd.c
@@ -33,6 +33,7 @@
 #include <sys/stat.h>
 #include <sys/mman.h>
 #include <sys/socket.h>
+#include <sys/uio.h>
 #include <linux/virtio_ring.h>
 #include <linux/virtio_net.h>
 #include <linux/virtio_console.h>
@@ -77,6 +78,10 @@ static struct mic_info mic_list;
 #define VIRTIO_NET_HDR_F_DATA_VALID	2	/* Csum is valid */
 #endif
 
+#define __uint16_identity(x) (x)
+#define __uint64_identity(x) (x)
+#define __uint32_identity(x) (x)
+
 static struct {
 	struct mic_device_desc dd;
 	struct mic_vqconfig vqconfig[2];
-- 
2.17.1