From: Dmitry Torokhov <dtor_core@ameritech.net>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Dave Jones <davej@redhat.com>, Andrew Morton <akpm@osdl.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH] I8K: fix /proc reporting of blank service tags
Date: Sat, 12 Nov 2005 00:55:15 -0500 [thread overview]
Message-ID: <200511120055.17019.dtor_core@ameritech.net> (raw)
Make /proc/i8k display '?' when service tag is blank in BIOS.
This fixes segfault in i8k gkrellm plugin.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
drivers/char/i8k.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
Index: work/drivers/char/i8k.c
===================================================================
--- work.orig/drivers/char/i8k.c
+++ work/drivers/char/i8k.c
@@ -99,7 +99,9 @@ struct smm_regs {
static inline char *i8k_get_dmi_data(int field)
{
- return dmi_get_system_info(field) ? : "N/A";
+ char *dmi_data = dmi_get_system_info(field);
+
+ return dmi_data && *dmi_data ? dmi_data : "?";
}
/*
@@ -396,7 +398,7 @@ static int i8k_proc_show(struct seq_file
return seq_printf(seq, "%s %s %s %d %d %d %d %d %d %d\n",
I8K_PROC_FMT,
bios_version,
- dmi_get_system_info(DMI_PRODUCT_SERIAL) ? : "N/A",
+ i8k_get_dmi_data(DMI_PRODUCT_SERIAL),
cpu_temp,
left_fan, right_fan, left_speed, right_speed,
ac_power, fn_key);
reply other threads:[~2005-11-12 5:55 UTC|newest]
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