1 files changed, 53 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0081-objtool-Improve-error-message-for-bad-file-argument.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0081-objtool-Improve-error-message-for-bad-file-argument.patch
new file mode 100644
index 00000000..5371d25e
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.9.21/0081-objtool-Improve-error-message-for-bad-file-argument.patch
@@ -0,0 +1,53 @@
+From fb041f21a529d40a97336be266b879f05d282b73 Mon Sep 17 00:00:00 2001
+From: Josh Poimboeuf <jpoimboe@redhat.com>
+Date: Mon, 15 Jan 2018 08:17:08 -0600
+Subject: [PATCH 081/103] objtool: Improve error message for bad file argument
+
+commit 385d11b152c4eb638eeb769edcb3249533bb9a00 upstream.
+
+If a nonexistent file is supplied to objtool, it complains with a
+non-helpful error:
+
+  open: No such file or directory
+
+Improve it to:
+
+  objtool: Can't open 'foo': No such file or directory
+
+Reported-by: Markus <M4rkusXXL@web.de>
+Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
+Cc: Linus Torvalds <torvalds@linux-foundation.org>
+Cc: Peter Zijlstra <peterz@infradead.org>
+Cc: Thomas Gleixner <tglx@linutronix.de>
+Link: http://lkml.kernel.org/r/406a3d00a21225eee2819844048e17f68523ccf6.1516025651.git.jpoimboe@redhat.com
+Signed-off-by: Ingo Molnar <mingo@kernel.org>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ tools/objtool/elf.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c
+index 0d7983a..14a74d4 100644
+--- a/tools/objtool/elf.c
++++ b/tools/objtool/elf.c
+@@ -26,6 +26,7 @@
+ #include <stdlib.h>
+ #include <string.h>
+ #include <unistd.h>
++#include <errno.h>
+ 
+ #include "elf.h"
+ #include "warn.h"
+@@ -358,7 +359,8 @@ struct elf *elf_open(const char *name)
+ 
+ 	elf->fd = open(name, O_RDONLY);
+ 	if (elf->fd == -1) {
+-		perror("open");
++		fprintf(stderr, "objtool: Can't open '%s': %s\n",
++			name, strerror(errno));
+ 		goto err;
+ 	}
+ 
+-- 
+2.7.4
+