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author | Michael Marineau <mike@marineau.org> | 2014-04-10 14:09:31 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-04-25 12:00:49 -0700 |
commit | 86d56134f1b67d0c18025ba5cade95c048ed528d (patch) | |
tree | caa4346965954ded259784e3b68af159e3161aeb /kernel/ksysfs.c | |
parent | d911d98748018f7c8facc035ba39c30f5cce6f9c (diff) | |
download | lwn-86d56134f1b67d0c18025ba5cade95c048ed528d.tar.gz lwn-86d56134f1b67d0c18025ba5cade95c048ed528d.zip |
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.c | 5 |
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 |