linux-kernel - [PATCH 2/2] x86: use stderr if insn sanity test fails

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Date:   Tue, 25 Oct 2016 22:56:05 +0200
From:   Paul Bolle <pebolle@...cali.nl>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] x86: use stderr if insn sanity test fails

If the instruction sanity test fails, it prints a "Failure" message to
stdout. Make this program behave like the rest of the build and print
that message to stderr.

Signed-off-by: Paul Bolle <pebolle@...cali.nl>
---
 arch/x86/tools/insn_sanity.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/tools/insn_sanity.c b/arch/x86/tools/insn_sanity.c
index ba70ff232917..1972565ab106 100644
--- a/arch/x86/tools/insn_sanity.c
+++ b/arch/x86/tools/insn_sanity.c
@@ -269,7 +269,8 @@ int main(int argc, char **argv)
 		insns++;
 	}
 
-	fprintf(stdout, "%s: %s: decoded and checked %d %s instructions with %d errors (seed:0x%x)\n",
+	fprintf((errors) ? stderr : stdout,
+		"%s: %s: decoded and checked %d %s instructions with %d errors (seed:0x%x)\n",
 		prog,
 		(errors) ? "Failure" : "Success",
 		insns,
-- 
2.7.4