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authorMichael Marineau <mike@marineau.org>2014-04-10 14:09:31 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-04-25 12:00:49 -0700
commit86d56134f1b67d0c18025ba5cade95c048ed528d (patch)
treecaa4346965954ded259784e3b68af159e3161aeb /kernel/ksysfs.c
parentd911d98748018f7c8facc035ba39c30f5cce6f9c (diff)
downloadlinux-sh-86d56134f1b67d0c18025ba5cade95c048ed528d.tar.gz
kobject: Make support for uevent_helper optional.
Support for uevent_helper, aka hotplug, is not required on many systems these days but it can still be enabled via sysfs or sysctl. Reported-by: Darren Shepherd <darren.s.shepherd@gmail.com> Signed-off-by: Michael Marineau <mike@marineau.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/ksysfs.c')
-rw-r--r--kernel/ksysfs.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 2495a9b14ac8..6683ccef9fff 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -37,6 +37,7 @@ static ssize_t uevent_seqnum_show(struct kobject *kobj,
}
KERNEL_ATTR_RO(uevent_seqnum);
+#ifdef CONFIG_UEVENT_HELPER
/* uevent helper program, used during early boot */
static ssize_t uevent_helper_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
@@ -56,7 +57,7 @@ static ssize_t uevent_helper_store(struct kobject *kobj,
return count;
}
KERNEL_ATTR_RW(uevent_helper);
-
+#endif
#ifdef CONFIG_PROFILING
static ssize_t profiling_show(struct kobject *kobj,
@@ -189,7 +190,9 @@ EXPORT_SYMBOL_GPL(kernel_kobj);
static struct attribute * kernel_attrs[] = {
&fscaps_attr.attr,
&uevent_seqnum_attr.attr,
+#ifdef CONFIG_UEVENT_HELPER
&uevent_helper_attr.attr,
+#endif
#ifdef CONFIG_PROFILING
&profiling_attr.attr,
#endif