18  * Returns NULL if the posix_clock instance attached to 'fp' is old and stale.
20 static struct posix_clock *get_posix_clock(struct file *fp)  in get_posix_clock()  argument
22 	struct posix_clock_context *pccontext = fp->private_data;  in get_posix_clock()
40 static ssize_t posix_clock_read(struct file *fp, char __user *buf,  in posix_clock_read()  argument
43 	struct posix_clock_context *pccontext = fp->private_data;  in posix_clock_read()
44 	struct posix_clock *clk = get_posix_clock(fp);  in posix_clock_read()
51 		err = clk->ops.read(pccontext, fp->f_flags, buf, count);  in posix_clock_read()
58 static __poll_t posix_clock_poll(struct file *fp, poll_table *wait)  in posix_clock_poll()  argument
60 	struct posix_clock_context *pccontext = fp->private_data;  in posix_clock_poll()
61 	struct posix_clock *clk = get_posix_clock(fp);  in posix_clock_poll()
68 		result = clk->ops.poll(pccontext, fp, wait);  in posix_clock_poll()
75 static long posix_clock_ioctl(struct file *fp,  in posix_clock_ioctl()  argument
78 	struct posix_clock_context *pccontext = fp->private_data;  in posix_clock_ioctl()
79 	struct posix_clock *clk = get_posix_clock(fp);  in posix_clock_ioctl()
93 static int posix_clock_open(struct inode *inode, struct file *fp)  in posix_clock_open()  argument
112 	pccontext->fp = fp;  in posix_clock_open()
114 		err = clk->ops.open(pccontext, fp->f_mode);  in posix_clock_open()
121 	fp->private_data = pccontext;  in posix_clock_open()
129 static int posix_clock_release(struct inode *inode, struct file *fp)  in posix_clock_release()  argument
131 	struct posix_clock_context *pccontext = fp->private_data;  in posix_clock_release()
145 	fp->private_data = NULL;  in posix_clock_release()
193 	struct file *fp;  member
199 	struct file *fp = fget(clockid_to_fd(id));  in get_clock_desc()  local
202 	if (!fp)  in get_clock_desc()
205 	if (fp->f_op->open != posix_clock_open || !fp->private_data)  in get_clock_desc()
208 	cd->fp = fp;  in get_clock_desc()
209 	cd->clk = get_posix_clock(fp);  in get_clock_desc()
214 		fput(fp);  in get_clock_desc()
221 	fput(cd->fp);  in put_clock_desc()
233 	if (tx->modes && (cd.fp->f_mode & FMODE_WRITE) == 0) {  in pc_clock_adjtime()
298 	if ((cd.fp->f_mode & FMODE_WRITE) == 0) {  in pc_clock_settime()