dmi: Don't print dmidecode shell error

Don't print the error "sh: dmidecode: not found" if dmidecode is not there.
Uses stderr redirection to /dev/null (or NUL on Windows).

Change-Id: I3ded8e1bad14b5e809185a79c4e3a17329b1ecb9
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Signed-off-by: Stefan Tauner <stefan.tauner@student.tuwien.ac.at>
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/23802
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

1 files changed, 6 insertions, 1 deletions

diff --git a/dmi.c b/dmi.c
index 729cdb119..70b117749 100644
--- a/dmi.c
+++ b/dmi.c
@@ -34,6 +34,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "platform.h"
 #include "flash.h"
 #include "programmer.h"
 
@@ -292,7 +293,11 @@ out:
 #else /* CONFIG_INTERNAL_DMI */
 
 #define DMI_COMMAND_LEN_MAX 300
-static const char *dmidecode_command = "dmidecode";
+#if IS_WINDOWS
+static const char *dmidecode_command = "dmidecode.exe 2>NUL";
+#else
+static const char *dmidecode_command = "dmidecode 2>/dev/null";
+#endif
 
 static char *get_dmi_string(const char *string_name)
 {