114 	int r, bytes_read;  in smd_pkt_read()  local
128 	r = wait_event_interruptible(smd_pkt_devp->ch_read_wait_queue,  in smd_pkt_read()
133 	if (r < 0) {  in smd_pkt_read()
134 		if (r != -ERESTARTSYS)  in smd_pkt_read()
135 			pr_err("wait returned %d\n", r);  in smd_pkt_read()
136 		return r;  in smd_pkt_read()
155 	r = smd_read(smd_pkt_devp->ch, smd_pkt_devp->rx_buf, bytes_read);  in smd_pkt_read()
156 	if (r != bytes_read) {  in smd_pkt_read()
158 		pr_err("smd_read failed to read %d bytes: %d\n", bytes_read, r);  in smd_pkt_read()
163 	r = copy_to_user(buf, smd_pkt_devp->rx_buf, bytes_read);  in smd_pkt_read()
165 	if (r) {  in smd_pkt_read()
166 		pr_err("copy_to_user failed %d\n", r);  in smd_pkt_read()
179 	int r;  in smd_pkt_write()  local
199 	r = copy_from_user(smd_pkt_devp->tx_buf, buf, count);  in smd_pkt_write()
200 	if (r) {  in smd_pkt_write()
202 		pr_err("copy_from_user failed %d\n", r);  in smd_pkt_write()
206 	r = smd_write(smd_pkt_devp->ch, smd_pkt_devp->tx_buf, count);  in smd_pkt_write()
207 	if (r != count) {  in smd_pkt_write()
209 		pr_err("smd_write failed to write %d bytes: %d.\n", count, r);  in smd_pkt_write()
292 	int r = 0;  in smd_pkt_open()  local
303 		r = smd_open(smd_ch_name[smd_pkt_devp->i],  in smd_pkt_open()
306 		if (r < 0) {  in smd_pkt_open()
308 			       smd_ch_name[smd_pkt_devp->i], r);  in smd_pkt_open()
312 		r = wait_event_interruptible_timeout(  in smd_pkt_open()
316 		if (r == 0)  in smd_pkt_open()
317 			r = -ETIMEDOUT;  in smd_pkt_open()
319 		if (r < 0) {  in smd_pkt_open()
320 			pr_err("wait returned %d\n", r);  in smd_pkt_open()
325 			r = 0;  in smd_pkt_open()
330 	return r;  in smd_pkt_open()
335 	int r = 0;  in smd_pkt_release()  local
343 		r = smd_close(smd_pkt_devp->ch);  in smd_pkt_release()
348 	return r;  in smd_pkt_release()
363 	int r;  in smd_pkt_init()  local
365 	r = alloc_chrdev_region(&smd_pkt_number, 0,  in smd_pkt_init()
367 	if (r) {  in smd_pkt_init()
368 		pr_err("alloc_chrdev_region() failed %d\n", r);  in smd_pkt_init()
369 		return r;  in smd_pkt_init()
374 		r = PTR_ERR(smd_pkt_classp);  in smd_pkt_init()
375 		pr_err("class_create() failed %d\n", r);  in smd_pkt_init()
400 		r = cdev_add(&smd_pkt_devp[i]->cdev,  in smd_pkt_init()
402 		if (r) {  in smd_pkt_init()
403 			pr_err("cdev_add() failed %d\n", r);  in smd_pkt_init()
413 			r = PTR_ERR(smd_pkt_devp[i]->devicep);  in smd_pkt_init()
414 			pr_err("device_create() failed %d\n", r);  in smd_pkt_init()
441 	return r;  in smd_pkt_init()