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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-11-29 16:12:27 +0100
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-11-29 16:12:50 +0100
commit65ffc51aba406636a901b02067287d8535c02417 (patch)
tree206de4631c3f7d61ea552e50bde2841c558c7812 /net/netfilter/xt_IDLETIMER.c
parentdrm/virtio: virtio_gpu_cmd_resource_create_3d: drop unused fence arg (diff)
parentMerge v4.20-rc4 into drm-next (diff)
downloadlinux-dev-65ffc51aba406636a901b02067287d8535c02417.tar.xz
linux-dev-65ffc51aba406636a901b02067287d8535c02417.zip
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
Requested by Boris Brezillon for some vc4 fixes that are needed for future vc4 work. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'net/netfilter/xt_IDLETIMER.c')
-rw-r--r--net/netfilter/xt_IDLETIMER.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c
index c6acfc2d9c84..eb4cbd244c3d 100644
--- a/net/netfilter/xt_IDLETIMER.c
+++ b/net/netfilter/xt_IDLETIMER.c
@@ -114,6 +114,22 @@ static void idletimer_tg_expired(struct timer_list *t)
schedule_work(&timer->work);
}
+static int idletimer_check_sysfs_name(const char *name, unsigned int size)
+{
+ int ret;
+
+ ret = xt_check_proc_name(name, size);
+ if (ret < 0)
+ return ret;
+
+ if (!strcmp(name, "power") ||
+ !strcmp(name, "subsystem") ||
+ !strcmp(name, "uevent"))
+ return -EINVAL;
+
+ return 0;
+}
+
static int idletimer_tg_create(struct idletimer_tg_info *info)
{
int ret;
@@ -124,6 +140,10 @@ static int idletimer_tg_create(struct idletimer_tg_info *info)
goto out;
}
+ ret = idletimer_check_sysfs_name(info->label, sizeof(info->label));
+ if (ret < 0)
+ goto out_free_timer;
+
sysfs_attr_init(&info->timer->attr.attr);
info->timer->attr.attr.name = kstrdup(info->label, GFP_KERNEL);
if (!info->timer->attr.attr.name) {