diff options
| author | Sachin Kamat <sachin.kamat@linaro.org> | 2013-05-22 15:36:32 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-22 15:31:39 -0700 |
| commit | 6e3fe5dcd7f136e5802b1a54c0dfbc9aeb302adb (patch) | |
| tree | be9a7108b72a24262ba6f7f93a4c6f319e179e3c /drivers/staging/ced1401 | |
| parent | bcf636d126277e60258183d42edfbffeed605f6e (diff) | |
Staging: ced1401: Use NULL instead of 0 for pointers
Use NULL instead of 0 for pointer variables.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/ced1401')
| -rw-r--r-- | drivers/staging/ced1401/ced_ioc.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/staging/ced1401/ced_ioc.c b/drivers/staging/ced1401/ced_ioc.c index 678424035ecc..a31adb3da3a4 100644 --- a/drivers/staging/ced1401/ced_ioc.c +++ b/drivers/staging/ced1401/ced_ioc.c @@ -599,7 +599,7 @@ int ClearArea(DEVICE_EXTENSION *pdx, int nArea) else { /* We must save the memory we return as we shouldn't mess with memory while */ /* holding a spin lock. */ - struct page **pPages = 0; /* save page address list */ + struct page **pPages = NULL; /*save page address list*/ int nPages = 0; /* and number of pages */ int np; @@ -671,7 +671,7 @@ static int SetArea(DEVICE_EXTENSION *pdx, int nArea, char __user *puBuf, int len = (dwLength + ulOffset + PAGE_SIZE - 1) >> PAGE_SHIFT; TRANSAREA *pTA = &pdx->rTransDef[nArea]; /* to save typing */ - struct page **pPages = 0; /* space for page tables */ + struct page **pPages = NULL; /* space for page tables */ int nPages = 0; /* and number of pages */ int iReturn = ClearArea(pdx, nArea); /* see if OK to use this area */ @@ -693,8 +693,8 @@ static int SetArea(DEVICE_EXTENSION *pdx, int nArea, char __user *puBuf, /* To pin down user pages we must first acquire the mapping semaphore. */ down_read(¤t->mm->mmap_sem); /* get memory map semaphore */ - nPages = - get_user_pages(current, current->mm, ulStart, len, 1, 0, pPages, 0); + nPages = get_user_pages(current, current->mm, ulStart, len, 1, 0, + pPages, NULL); up_read(¤t->mm->mmap_sem); /* release the semaphore */ dev_dbg(&pdx->interface->dev, "%s nPages = %d", __func__, nPages); @@ -984,7 +984,9 @@ int StartSelfTest(DEVICE_EXTENSION *pdx) /* ReadWrite_Cancel(pDeviceObject); */ pdx->dwDMAFlag = MODE_CHAR; /* Clear DMA mode flags here */ - nGot = usb_control_msg(pdx->udev, usb_rcvctrlpipe(pdx->udev, 0), DB_SELFTEST, (H_TO_D | VENDOR | DEVREQ), 0, 0, 0, 0, HZ); /* allow 1 second timeout */ + nGot = usb_control_msg(pdx->udev, usb_rcvctrlpipe(pdx->udev, 0), + DB_SELFTEST, (H_TO_D | VENDOR | DEVREQ), + 0, 0, NULL, 0, HZ); /* allow 1 second timeout */ pdx->ulSelfTestTime = jiffies + HZ * 30; /* 30 seconds into the future */ mutex_unlock(&pdx->io_mutex); @@ -1128,7 +1130,11 @@ static int DbgCmd1401(DEVICE_EXTENSION *pdx, unsigned char cmd, { int iReturn; dev_dbg(&pdx->interface->dev, "%s entry", __func__); - iReturn = usb_control_msg(pdx->udev, usb_sndctrlpipe(pdx->udev, 0), cmd, (H_TO_D | VENDOR | DEVREQ), (unsigned short)data, (unsigned short)(data >> 16), 0, 0, HZ); /* allow 1 second timeout */ + iReturn = usb_control_msg(pdx->udev, usb_sndctrlpipe(pdx->udev, 0), cmd, + (H_TO_D | VENDOR | DEVREQ), + (unsigned short)data, + (unsigned short)(data >> 16), NULL, 0, HZ); + /* allow 1 second timeout */ if (iReturn < 0) dev_err(&pdx->interface->dev, "%s fail code=%d", __func__, iReturn); |