Commit e9084ec9 authored by Jan Beulich's avatar Jan Beulich Committed by H. Peter Anvin

x86, mce: Fix set_trigger() accessor

Fix the condition checking the result of strchr() (which previously
could result in an oops), and make the function return the number of
bytes actively used.

[ Impact: fix oops ]
Signed-off-by: default avatarJan Beulich <jbeulich@novell.com>
Cc: Andi Kleen <andi@firstfloor.org>
LKML-Reference: <4A5F04B7020000780000AB59@vpn.id2.novell.com>
Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent ebe119cd
......@@ -1692,17 +1692,15 @@ static ssize_t set_trigger(struct sys_device *s, struct sysdev_attribute *attr,
const char *buf, size_t siz)
{
char *p;
int len;
strncpy(mce_helper, buf, sizeof(mce_helper));
mce_helper[sizeof(mce_helper)-1] = 0;
len = strlen(mce_helper);
p = strchr(mce_helper, '\n');
if (*p)
if (p)
*p = 0;
return len;
return strlen(mce_helper) + !!p;
}
static ssize_t set_ignore_ce(struct sys_device *s,
......
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