From 94d093f058a566b8e67f90b96c04de7430ad47de Mon Sep 17 00:00:00 2001
From: Masamichi Takagi <masamichi.takagi@riken.jp>
Date: Mon, 13 Aug 2018 15:57:45 +0900
Subject: [PATCH] fileobj_create: Suppress message on getting -ESRCH

-ESRCH from mcctrl doesn't mean an error but the file is not a regular
file and mcctrl wants McKernel to treat it as a device file.

Change-Id: Ie121f0e6a8b1f0a29c2f2cf193a51f4f52337809
---
 kernel/fileobj.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/kernel/fileobj.c b/kernel/fileobj.c
index 37d2c9d6..7ea15044 100644
--- a/kernel/fileobj.c
+++ b/kernel/fileobj.c
@@ -206,8 +206,15 @@ int fileobj_create(int fd, struct memobj **objp, int *maxprotp, uintptr_t virt_a
 	memset(&result, 0, sizeof(result));
 
 	error = syscall_generic_forwarding(__NR_mmap, &ctx);
+
 	if (error) {
-		kprintf("%s(%d):create failed. %d\n", __func__, fd, error);
+		/* -ESRCH doesn't mean an error but requesting a fall
+		 * back to treat the file as a device file
+		 */
+		if (error != -ESRCH) {
+			kprintf("%s(%d):create failed. %d\n",
+				__func__, fd, error);
+		}
 		goto out;
 	}