From 4f005551a8fac21b6fec8d10d57cd12d373d79e1 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sat, 12 Nov 2005 00:55:15 -0500 Subject: [PATCH] I8K: fix /proc reporting of blank service tags Make /proc/i8k display '?' when service tag is blank in BIOS. This fixes segfault in i8k gkrellm plugin. Signed-off-by: Dmitry Torokhov Signed-off-by: Linus Torvalds --- drivers/char/i8k.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c index 6c4b3f986d0..f3c3aaf4560 100644 --- a/drivers/char/i8k.c +++ b/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 *seq, void *offset) 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); -- cgit v1.2.3