From 701e2b8e53a00e4006f733c46442871e4cd8e6c0 Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Wed, 1 Feb 2012 12:26:20 +0100 Subject: chcpu: check get_max_number_of_cpus() result properly Signed-off-by: Karel Zak --- sys-utils/lscpu.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'sys-utils/lscpu.c') diff --git a/sys-utils/lscpu.c b/sys-utils/lscpu.c index a9ca2fe59..6a74c4eb7 100644 --- a/sys-utils/lscpu.c +++ b/sys-utils/lscpu.c @@ -383,9 +383,10 @@ read_basicinfo(struct lscpu_desc *desc, struct lscpu_modifier *mod) else if (mod->system == SYSTEM_LIVE) /* the root is '/' so we are working with data from the current kernel */ maxcpus = get_max_number_of_cpus(); - else - /* we are reading some /sys snapshot instead of the real /sys, - * let's use any crazy number... */ + + if (maxcpus <= 0) + /* error or we are reading some /sys snapshot instead of the + * real /sys, let's use any crazy number... */ maxcpus = desc->ncpus > 2048 ? desc->ncpus : 2048; /* get mask for online CPUs */ -- cgit v1.2.3-55-g7522