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Commit 4aa3a823 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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Staging: comedi: usbdux: remove comedi usb wrappers 

Remove the comedi usb wrapper function usage in the usbdux driver as
they are no longer needed.

Cc: Bernd Porr <BerndPorr@f2s.com>
Cc: David Schleef <ds@schleef.org>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent cc92fca7
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Showing with 40 additions and 41 deletions
drivers/staging/comedi/drivers/usbdux.c
View file @ 4aa3a823
...@@ -96,7 +96,6 @@ sampling rate. If you sample two channels you get 4kHz and so on. ...@@ -96,7 +96,6 @@ sampling rate. If you sample two channels you get 4kHz and so on.
#include <linux/compiler.h> #include <linux/compiler.h>
#include "../comedidev.h" #include "../comedidev.h"
#include "../usb.h"
#define BOARDNAME "usbdux" #define BOARDNAME "usbdux"
...@@ -465,7 +464,7 @@ static void usbduxsub_ai_IsocIrq(struct urb *urb) ...@@ -465,7 +464,7 @@ static void usbduxsub_ai_IsocIrq(struct urb *urb)
urb->dev = this_usbduxsub->usbdev; urb->dev = this_usbduxsub->usbdev;
/* resubmit the urb */ /* resubmit the urb */
err = USB_SUBMIT_URB(urb); err = usb_submit_urb(urb, GFP_ATOMIC);
if (unlikely(err < 0)) { if (unlikely(err < 0)) {
dev_err(&urb->dev->dev, dev_err(&urb->dev->dev,
"comedi_: urb resubmit failed in int-context! err=%d\n", "comedi_: urb resubmit failed in int-context! err=%d\n",
...@@ -695,7 +694,7 @@ static void usbduxsub_ao_IsocIrq(struct urb *urb) ...@@ -695,7 +694,7 @@ static void usbduxsub_ao_IsocIrq(struct urb *urb)
urb->iso_frame_desc[0].offset = 0; urb->iso_frame_desc[0].offset = 0;
urb->iso_frame_desc[0].length = SIZEOUTBUF; urb->iso_frame_desc[0].length = SIZEOUTBUF;
urb->iso_frame_desc[0].status = 0; urb->iso_frame_desc[0].status = 0;
ret = USB_SUBMIT_URB(urb); ret = usb_submit_urb(urb, GFP_ATOMIC);
if (ret < 0) { if (ret < 0) {
dev_err(&urb->dev->dev, dev_err(&urb->dev->dev,
"comedi_: ao urb resubm failed in int-cont. " "comedi_: ao urb resubm failed in int-cont. "
...@@ -722,7 +721,7 @@ static int usbduxsub_start(struct usbduxsub *usbduxsub) ...@@ -722,7 +721,7 @@ static int usbduxsub_start(struct usbduxsub *usbduxsub)
if (usbduxsub->probed) { if (usbduxsub->probed) {
/* 7f92 to zero */ /* 7f92 to zero */
local_transfer_buffer[0] = 0; local_transfer_buffer[0] = 0;
errcode = USB_CONTROL_MSG(usbduxsub->usbdev, errcode = usb_control_msg(usbduxsub->usbdev,
/* create a pipe for a control transfer */ /* create a pipe for a control transfer */
usb_sndctrlpipe(usbduxsub->usbdev, 0), usb_sndctrlpipe(usbduxsub->usbdev, 0),
/* bRequest, "Firmware" */ /* bRequest, "Firmware" */
...@@ -756,8 +755,7 @@ static int usbduxsub_stop(struct usbduxsub *usbduxsub) ...@@ -756,8 +755,7 @@ static int usbduxsub_stop(struct usbduxsub *usbduxsub)
if (usbduxsub->probed) { if (usbduxsub->probed) {
/* 7f92 to one */ /* 7f92 to one */
local_transfer_buffer[0] = 1; local_transfer_buffer[0] = 1;
errcode = USB_CONTROL_MSG errcode = usb_control_msg(usbduxsub->usbdev,
(usbduxsub->usbdev,
usb_sndctrlpipe(usbduxsub->usbdev, 0), usb_sndctrlpipe(usbduxsub->usbdev, 0),
/* bRequest, "Firmware" */ /* bRequest, "Firmware" */
USBDUXSUB_FIRMWARE, USBDUXSUB_FIRMWARE,
...@@ -792,8 +790,7 @@ static int usbduxsub_upload(struct usbduxsub *usbduxsub, ...@@ -792,8 +790,7 @@ static int usbduxsub_upload(struct usbduxsub *usbduxsub,
" to addr %d, first byte=%d.\n", " to addr %d, first byte=%d.\n",
usbduxsub->comedidev->minor, len, usbduxsub->comedidev->minor, len,
startAddr, local_transfer_buffer[0]); startAddr, local_transfer_buffer[0]);
errcode = USB_CONTROL_MSG errcode = usb_control_msg(usbduxsub->usbdev,
(usbduxsub->usbdev,
usb_sndctrlpipe(usbduxsub->usbdev, 0), usb_sndctrlpipe(usbduxsub->usbdev, 0),
/* brequest, firmware */ /* brequest, firmware */
USBDUXSUB_FIRMWARE, USBDUXSUB_FIRMWARE,
...@@ -873,10 +870,10 @@ static int usbduxsub_submit_InURBs(struct usbduxsub *usbduxsub) ...@@ -873,10 +870,10 @@ static int usbduxsub_submit_InURBs(struct usbduxsub *usbduxsub)
(usbduxsub->urbIn[i]->context), (usbduxsub->urbIn[i]->context),
(usbduxsub->urbIn[i]->dev), (usbduxsub->urbIn[i]->dev),
(usbduxsub->urbIn[i]->interval)); (usbduxsub->urbIn[i]->interval));
errFlag = USB_SUBMIT_URB(usbduxsub->urbIn[i]); errFlag = usb_submit_urb(usbduxsub->urbIn[i], GFP_ATOMIC);
if (errFlag) { if (errFlag) {
dev_err(&usbduxsub->interface->dev, dev_err(&usbduxsub->interface->dev,
"comedi_: ai: USB_SUBMIT_URB(%d) error %d\n", "comedi_: ai: usb_submit_urb(%d) error %d\n",
i, errFlag); i, errFlag);
return errFlag; return errFlag;
} }
...@@ -899,10 +896,10 @@ static int usbduxsub_submit_OutURBs(struct usbduxsub *usbduxsub) ...@@ -899,10 +896,10 @@ static int usbduxsub_submit_OutURBs(struct usbduxsub *usbduxsub)
usbduxsub->urbOut[i]->dev = usbduxsub->usbdev; usbduxsub->urbOut[i]->dev = usbduxsub->usbdev;
usbduxsub->urbOut[i]->status = 0; usbduxsub->urbOut[i]->status = 0;
usbduxsub->urbOut[i]->transfer_flags = URB_ISO_ASAP; usbduxsub->urbOut[i]->transfer_flags = URB_ISO_ASAP;
errFlag = USB_SUBMIT_URB(usbduxsub->urbOut[i]); errFlag = usb_submit_urb(usbduxsub->urbOut[i], GFP_ATOMIC);
if (errFlag) { if (errFlag) {
dev_err(&usbduxsub->interface->dev, dev_err(&usbduxsub->interface->dev,
"comedi_: ao: USB_SUBMIT_URB(%d) error %d\n", "comedi_: ao: usb_submit_urb(%d) error %d\n",
i, errFlag); i, errFlag);
return errFlag; return errFlag;
} }
...@@ -1087,10 +1084,11 @@ static int send_dux_commands(struct usbduxsub *this_usbduxsub, int cmd_type) ...@@ -1087,10 +1084,11 @@ static int send_dux_commands(struct usbduxsub *this_usbduxsub, int cmd_type)
printk(" %02x", this_usbduxsub->dux_commands[result]); printk(" %02x", this_usbduxsub->dux_commands[result]);
printk("\n"); printk("\n");
#endif #endif
result = USB_BULK_MSG(this_usbduxsub->usbdev, result = usb_bulk_msg(this_usbduxsub->usbdev,
usb_sndbulkpipe(this_usbduxsub->usbdev, usb_sndbulkpipe(this_usbduxsub->usbdev,
COMMAND_OUT_EP), COMMAND_OUT_EP),
this_usbduxsub->dux_commands, SIZEOFDUXBUFFER, &nsent, 10 * HZ); this_usbduxsub->dux_commands, SIZEOFDUXBUFFER,
&nsent, 10);
if (result < 0) if (result < 0)
dev_err(&this_usbduxsub->interface->dev, "comedi%d: " dev_err(&this_usbduxsub->interface->dev, "comedi%d: "
"could not transmit dux_command to the usb-device, " "could not transmit dux_command to the usb-device, "
...@@ -1106,10 +1104,11 @@ static int receive_dux_commands(struct usbduxsub *this_usbduxsub, int command) ...@@ -1106,10 +1104,11 @@ static int receive_dux_commands(struct usbduxsub *this_usbduxsub, int command)
int i; int i;
for (i = 0; i < RETRIES; i++) { for (i = 0; i < RETRIES; i++) {
result = USB_BULK_MSG(this_usbduxsub->usbdev, result = usb_bulk_msg(this_usbduxsub->usbdev,
usb_rcvbulkpipe(this_usbduxsub->usbdev, usb_rcvbulkpipe(this_usbduxsub->usbdev,
COMMAND_IN_EP), COMMAND_IN_EP),
this_usbduxsub->insnBuffer, SIZEINSNBUF, &nrec, 1 * HZ); this_usbduxsub->insnBuffer, SIZEINSNBUF,
&nrec, 1);
if (result < 0) { if (result < 0) {
dev_err(&this_usbduxsub->interface->dev, "comedi%d: " dev_err(&this_usbduxsub->interface->dev, "comedi%d: "
"insn: USB error %d while receiving DUX command" "insn: USB error %d while receiving DUX command"
...@@ -1966,7 +1965,7 @@ static void usbduxsub_pwm_irq(struct urb *urb) ...@@ -1966,7 +1965,7 @@ static void usbduxsub_pwm_irq(struct urb *urb)
urb->dev = this_usbduxsub->usbdev; urb->dev = this_usbduxsub->usbdev;
urb->status = 0; urb->status = 0;
if (this_usbduxsub->pwm_cmd_running) { if (this_usbduxsub->pwm_cmd_running) {
ret = USB_SUBMIT_URB(urb); ret = usb_submit_urb(urb, GFP_ATOMIC);
if (ret < 0) { if (ret < 0) {
dev_err(&this_usbduxsub->interface->dev, dev_err(&this_usbduxsub->interface->dev,
"comedi_: pwm urb resubm failed in int-cont. " "comedi_: pwm urb resubm failed in int-cont. "
...@@ -1998,10 +1997,10 @@ static int usbduxsub_submit_PwmURBs(struct usbduxsub *usbduxsub) ...@@ -1998,10 +1997,10 @@ static int usbduxsub_submit_PwmURBs(struct usbduxsub *usbduxsub)
usbduxsub->urbPwm->transfer_buffer, usbduxsub->urbPwm->transfer_buffer,
usbduxsub->sizePwmBuf, usbduxsub_pwm_irq, usbduxsub->comedidev); usbduxsub->sizePwmBuf, usbduxsub_pwm_irq, usbduxsub->comedidev);
errFlag = USB_SUBMIT_URB(usbduxsub->urbPwm); errFlag = usb_submit_urb(usbduxsub->urbPwm, GFP_ATOMIC);
if (errFlag) { if (errFlag) {
dev_err(&usbduxsub->interface->dev, dev_err(&usbduxsub->interface->dev,
"comedi_: usbdux: pwm: USB_SUBMIT_URB error %d\n", "comedi_: usbdux: pwm: usb_submit_urb error %d\n",
errFlag); errFlag);
return errFlag; return errFlag;
} }
...@@ -2422,7 +2421,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf, ...@@ -2422,7 +2421,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
if (index == -1) { if (index == -1) {
dev_err(dev, "Too many usbdux-devices connected.\n"); dev_err(dev, "Too many usbdux-devices connected.\n");
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-EMFILE); return -EMFILE;
} }
dev_dbg(dev, "comedi_: usbdux: " dev_dbg(dev, "comedi_: usbdux: "
"usbduxsub[%d] is ready to connect to comedi.\n", index); "usbduxsub[%d] is ready to connect to comedi.\n", index);
...@@ -2452,7 +2451,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf, ...@@ -2452,7 +2451,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
"error alloc space for dac commands\n"); "error alloc space for dac commands\n");
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENOMEM); return -ENOMEM;
} }
/* create space for the commands going to the usb device */ /* create space for the commands going to the usb device */
usbduxsub[index].dux_commands = kzalloc(SIZEOFDUXBUFFER, GFP_KERNEL); usbduxsub[index].dux_commands = kzalloc(SIZEOFDUXBUFFER, GFP_KERNEL);
...@@ -2461,7 +2460,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf, ...@@ -2461,7 +2460,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
"error alloc space for dac commands\n"); "error alloc space for dac commands\n");
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENOMEM); return -ENOMEM;
} }
/* create space for the in buffer and set it to zero */ /* create space for the in buffer and set it to zero */
usbduxsub[index].inBuffer = kzalloc(SIZEINBUF, GFP_KERNEL); usbduxsub[index].inBuffer = kzalloc(SIZEINBUF, GFP_KERNEL);
...@@ -2470,7 +2469,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf, ...@@ -2470,7 +2469,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
"could not alloc space for inBuffer\n"); "could not alloc space for inBuffer\n");
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENOMEM); return -ENOMEM;
} }
/* create space of the instruction buffer */ /* create space of the instruction buffer */
usbduxsub[index].insnBuffer = kzalloc(SIZEINSNBUF, GFP_KERNEL); usbduxsub[index].insnBuffer = kzalloc(SIZEINSNBUF, GFP_KERNEL);
...@@ -2479,7 +2478,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf, ...@@ -2479,7 +2478,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
"could not alloc space for insnBuffer\n"); "could not alloc space for insnBuffer\n");
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENOMEM); return -ENOMEM;
} }
/* create space for the outbuffer */ /* create space for the outbuffer */
usbduxsub[index].outBuffer = kzalloc(SIZEOUTBUF, GFP_KERNEL); usbduxsub[index].outBuffer = kzalloc(SIZEOUTBUF, GFP_KERNEL);
...@@ -2488,7 +2487,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf, ...@@ -2488,7 +2487,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
"could not alloc space for outBuffer\n"); "could not alloc space for outBuffer\n");
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENOMEM); return -ENOMEM;
} }
/* setting to alternate setting 3: enabling iso ep and bulk ep. */ /* setting to alternate setting 3: enabling iso ep and bulk ep. */
i = usb_set_interface(usbduxsub[index].usbdev, i = usb_set_interface(usbduxsub[index].usbdev,
...@@ -2499,7 +2498,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf, ...@@ -2499,7 +2498,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
index); index);
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENODEV); return -ENODEV;
} }
if (usbduxsub[index].high_speed) if (usbduxsub[index].high_speed)
usbduxsub[index].numOfInBuffers = NUMOFINBUFFERSHIGH; usbduxsub[index].numOfInBuffers = NUMOFINBUFFERSHIGH;
...@@ -2513,17 +2512,17 @@ static int usbduxsub_probe(struct usb_interface *uinterf, ...@@ -2513,17 +2512,17 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
dev_err(dev, "comedi_: usbdux: Could not alloc. urbIn array\n"); dev_err(dev, "comedi_: usbdux: Could not alloc. urbIn array\n");
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENOMEM); return -ENOMEM;
} }
for (i = 0; i < usbduxsub[index].numOfInBuffers; i++) { for (i = 0; i < usbduxsub[index].numOfInBuffers; i++) {
/* one frame: 1ms */ /* one frame: 1ms */
usbduxsub[index].urbIn[i] = USB_ALLOC_URB(1); usbduxsub[index].urbIn[i] = usb_alloc_urb(1, GFP_KERNEL);
if (usbduxsub[index].urbIn[i] == NULL) { if (usbduxsub[index].urbIn[i] == NULL) {
dev_err(dev, "comedi_: usbdux%d: " dev_err(dev, "comedi_: usbdux%d: "
"Could not alloc. urb(%d)\n", index, i); "Could not alloc. urb(%d)\n", index, i);
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENOMEM); return -ENOMEM;
} }
usbduxsub[index].urbIn[i]->dev = usbduxsub[index].usbdev; usbduxsub[index].urbIn[i]->dev = usbduxsub[index].usbdev;
/* will be filled later with a pointer to the comedi-device */ /* will be filled later with a pointer to the comedi-device */
...@@ -2539,7 +2538,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf, ...@@ -2539,7 +2538,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
"could not alloc. transb.\n", index); "could not alloc. transb.\n", index);
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENOMEM); return -ENOMEM;
} }
usbduxsub[index].urbIn[i]->complete = usbduxsub_ai_IsocIrq; usbduxsub[index].urbIn[i]->complete = usbduxsub_ai_IsocIrq;
usbduxsub[index].urbIn[i]->number_of_packets = 1; usbduxsub[index].urbIn[i]->number_of_packets = 1;
...@@ -2562,17 +2561,17 @@ static int usbduxsub_probe(struct usb_interface *uinterf, ...@@ -2562,17 +2561,17 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
"Could not alloc. urbOut array\n"); "Could not alloc. urbOut array\n");
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENOMEM); return -ENOMEM;
} }
for (i = 0; i < usbduxsub[index].numOfOutBuffers; i++) { for (i = 0; i < usbduxsub[index].numOfOutBuffers; i++) {
/* one frame: 1ms */ /* one frame: 1ms */
usbduxsub[index].urbOut[i] = USB_ALLOC_URB(1); usbduxsub[index].urbOut[i] = usb_alloc_urb(1, GFP_KERNEL);
if (usbduxsub[index].urbOut[i] == NULL) { if (usbduxsub[index].urbOut[i] == NULL) {
dev_err(dev, "comedi_: usbdux%d: " dev_err(dev, "comedi_: usbdux%d: "
"Could not alloc. urb(%d)\n", index, i); "Could not alloc. urb(%d)\n", index, i);
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENOMEM); return -ENOMEM;
} }
usbduxsub[index].urbOut[i]->dev = usbduxsub[index].usbdev; usbduxsub[index].urbOut[i]->dev = usbduxsub[index].usbdev;
/* will be filled later with a pointer to the comedi-device */ /* will be filled later with a pointer to the comedi-device */
...@@ -2588,7 +2587,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf, ...@@ -2588,7 +2587,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
"could not alloc. transb.\n", index); "could not alloc. transb.\n", index);
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENOMEM); return -ENOMEM;
} }
usbduxsub[index].urbOut[i]->complete = usbduxsub_ao_IsocIrq; usbduxsub[index].urbOut[i]->complete = usbduxsub_ao_IsocIrq;
usbduxsub[index].urbOut[i]->number_of_packets = 1; usbduxsub[index].urbOut[i]->number_of_packets = 1;
...@@ -2609,13 +2608,13 @@ static int usbduxsub_probe(struct usb_interface *uinterf, ...@@ -2609,13 +2608,13 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
if (usbduxsub[index].high_speed) { if (usbduxsub[index].high_speed) {
/* max bulk ep size in high speed */ /* max bulk ep size in high speed */
usbduxsub[index].sizePwmBuf = 512; usbduxsub[index].sizePwmBuf = 512;
usbduxsub[index].urbPwm = USB_ALLOC_URB(0); usbduxsub[index].urbPwm = usb_alloc_urb(0, GFP_KERNEL);
if (usbduxsub[index].urbPwm == NULL) { if (usbduxsub[index].urbPwm == NULL) {
dev_err(dev, "comedi_: usbdux%d: " dev_err(dev, "comedi_: usbdux%d: "
"Could not alloc. pwm urb\n", index); "Could not alloc. pwm urb\n", index);
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENOMEM); return -ENOMEM;
} }
usbduxsub[index].urbPwm->transfer_buffer = usbduxsub[index].urbPwm->transfer_buffer =
kzalloc(usbduxsub[index].sizePwmBuf, GFP_KERNEL); kzalloc(usbduxsub[index].sizePwmBuf, GFP_KERNEL);
...@@ -2624,7 +2623,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf, ...@@ -2624,7 +2623,7 @@ static int usbduxsub_probe(struct usb_interface *uinterf,
"could not alloc. transb. for pwm\n", index); "could not alloc. transb. for pwm\n", index);
tidy_up(&(usbduxsub[index])); tidy_up(&(usbduxsub[index]));
up(&start_stop_sem); up(&start_stop_sem);
return PROBE_ERR_RETURN(-ENOMEM); return -ENOMEM;
} }
} else { } else {
usbduxsub[index].urbPwm = NULL; usbduxsub[index].urbPwm = NULL;
......
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