diff options
Diffstat (limited to 'nitrous.c')
| -rw-r--r-- | nitrous.c | 11 |
1 files changed, 8 insertions, 3 deletions
@@ -247,6 +247,7 @@ static int nitrous_proc_show(struct seq_file *m, void *v) struct nitrous_lpm_proc *data = m->private; struct nitrous_bt_lpm *lpm = data->lpm; ktime_t timestamp; + unsigned int ret; switch (data->operation) { case PROC_BTWAKE: @@ -264,7 +265,11 @@ static int nitrous_proc_show(struct seq_file *m, void *v) (lpm->is_suspended ? "asleep" : "awake")); break; case PROC_TIMESYNC: - kfifo_out(&lpm->timestamp_queue, ×tamp, sizeof(ktime_t)); + ret = kfifo_out(&lpm->timestamp_queue, ×tamp, sizeof(ktime_t)); + if (ret != sizeof(ktime_t)) { + dev_err(lpm->dev, "failed to get the timestamp, ret=%u\n", ret); + return -EINVAL; + } seq_printf(m, "%lld", ktime_to_us(timestamp)); break; default: @@ -275,13 +280,13 @@ static int nitrous_proc_show(struct seq_file *m, void *v) static int nitrous_proc_open(struct inode *inode, struct file *file) { - return single_open(file, nitrous_proc_show, PDE_DATA(inode)); + return single_open(file, nitrous_proc_show, pde_data(inode)); } static ssize_t nitrous_proc_write(struct file *file, const char *buf, size_t count, loff_t *pos) { - struct nitrous_lpm_proc *data = PDE_DATA(file_inode(file)); + struct nitrous_lpm_proc *data = pde_data(file_inode(file)); struct nitrous_bt_lpm *lpm = data->lpm; struct timespec64 ts; char lbuf[4]; |