aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/connector
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/connector')
-rw-r--r--drivers/connector/cn_proc.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
index 354c1ff17159..c5afc98e2675 100644
--- a/drivers/connector/cn_proc.c
+++ b/drivers/connector/cn_proc.c
@@ -106,6 +106,7 @@ void proc_id_connector(struct task_struct *task, int which_id)
106 struct proc_event *ev; 106 struct proc_event *ev;
107 __u8 buffer[CN_PROC_MSG_SIZE]; 107 __u8 buffer[CN_PROC_MSG_SIZE];
108 struct timespec ts; 108 struct timespec ts;
109 const struct cred *cred;
109 110
110 if (atomic_read(&proc_event_num_listeners) < 1) 111 if (atomic_read(&proc_event_num_listeners) < 1)
111 return; 112 return;
@@ -115,14 +116,19 @@ void proc_id_connector(struct task_struct *task, int which_id)
115 ev->what = which_id; 116 ev->what = which_id;
116 ev->event_data.id.process_pid = task->pid; 117 ev->event_data.id.process_pid = task->pid;
117 ev->event_data.id.process_tgid = task->tgid; 118 ev->event_data.id.process_tgid = task->tgid;
119 rcu_read_lock();
120 cred = __task_cred(task);
118 if (which_id == PROC_EVENT_UID) { 121 if (which_id == PROC_EVENT_UID) {
119 ev->event_data.id.r.ruid = task->cred->uid; 122 ev->event_data.id.r.ruid = cred->uid;
120 ev->event_data.id.e.euid = task->cred->euid; 123 ev->event_data.id.e.euid = cred->euid;
121 } else if (which_id == PROC_EVENT_GID) { 124 } else if (which_id == PROC_EVENT_GID) {
122 ev->event_data.id.r.rgid = task->cred->gid; 125 ev->event_data.id.r.rgid = cred->gid;
123 ev->event_data.id.e.egid = task->cred->egid; 126 ev->event_data.id.e.egid = cred->egid;
124 } else 127 } else {
128 rcu_read_unlock();
125 return; 129 return;
130 }
131 rcu_read_unlock();
126 get_seq(&msg->seq, &ev->cpu); 132 get_seq(&msg->seq, &ev->cpu);
127 ktime_get_ts(&ts); /* get high res monotonic timestamp */ 133 ktime_get_ts(&ts); /* get high res monotonic timestamp */
128 put_unaligned(timespec_to_ns(&ts), (__u64 *)&ev->timestamp_ns); 134 put_unaligned(timespec_to_ns(&ts), (__u64 *)&ev->timestamp_ns);