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[media] DaVinci-VPFE-Capture: Adjust 13 checks for null pointers 

Convert comparisons with the preprocessor symbol "NULL" to condition checks
without it.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Markus Elfring 2016-10-12 05:46:28 -03:00 committed by Mauro Carvalho Chehab
parent 1d3811d35c
commit c580f29566
1 changed files with 11 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/media/platform/davinci/vpfe_capture.c
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@ -229,7 +229,7 @@ int vpfe_register_ccdc_device(struct ccdc_hw_device *dev)
BUG_ON(!dev->hw_ops.getfid);
mutex_lock(&ccdc_lock);
if (NULL == ccdc_cfg) {
if (!ccdc_cfg) {
/*
* TODO. Will this ever happen? if so, we need to fix it.
* Proabably we need to add the request to a linked list and
@ -265,7 +265,7 @@ EXPORT_SYMBOL(vpfe_register_ccdc_device);
*/
void vpfe_unregister_ccdc_device(struct ccdc_hw_device *dev)
{
if (NULL == dev) {
if (!dev) {
printk(KERN_ERR "invalid ccdc device ptr\n");
return;
}
@ -469,7 +469,7 @@ static int vpfe_initialize_device(struct vpfe_device *vpfe_dev)
/* now open the ccdc device to initialize it */
mutex_lock(&ccdc_lock);
if (NULL == ccdc_dev) {
if (!ccdc_dev) {
v4l2_err(&vpfe_dev->v4l2_dev, "ccdc device not registered\n");
ret = -ENODEV;
goto unlock;
@ -582,7 +582,7 @@ static irqreturn_t vpfe_isr(int irq, void *dev_id)
goto clear_intr;
/* only for 6446 this will be applicable */
if (NULL != ccdc_dev->hw_ops.reset)
if (ccdc_dev->hw_ops.reset)
ccdc_dev->hw_ops.reset();
if (field == V4L2_FIELD_NONE) {
@ -822,7 +822,7 @@ static const struct vpfe_pixel_format *
int temp, found;
vpfe_pix_fmt = vpfe_lookup_pix_format(pixfmt->pixelformat);
if (NULL == vpfe_pix_fmt) {
if (!vpfe_pix_fmt) {
/*
* use current pixel format in the vpfe device. We
* will find this pix format in the table
@ -964,7 +964,7 @@ static int vpfe_enum_fmt_vid_cap(struct file *file, void *priv,
/* Fill in the information about format */
pix_fmt = vpfe_lookup_pix_format(pix);
if (NULL != pix_fmt) {
if (pix_fmt) {
temp_index = fmt->index;
*fmt = pix_fmt->fmtdesc;
fmt->index = temp_index;
@ -990,8 +990,7 @@ static int vpfe_s_fmt_vid_cap(struct file *file, void *priv,
/* Check for valid frame format */
pix_fmts = vpfe_check_format(vpfe_dev, &fmt->fmt.pix);
if (NULL == pix_fmts)
if (!pix_fmts)
return -EINVAL;
/* store the pixel format in the device object */
@ -1017,7 +1016,7 @@ static int vpfe_try_fmt_vid_cap(struct file *file, void *priv,
v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_try_fmt_vid_cap\n");
pix_fmts = vpfe_check_format(vpfe_dev, &f->fmt.pix);
if (NULL == pix_fmts)
if (!pix_fmts)
return -EINVAL;
return 0;
}
@ -1831,7 +1830,7 @@ static int vpfe_probe(struct platform_device *pdev)
vpfe_dev->pdev = &pdev->dev;
if (NULL == pdev->dev.platform_data) {
if (!pdev->dev.platform_data) {
v4l2_err(pdev->dev.driver, "Unable to get vpfe config\n");
ret = -ENODEV;
goto probe_free_dev_mem;
@ -1839,9 +1838,7 @@ static int vpfe_probe(struct platform_device *pdev)
vpfe_cfg = pdev->dev.platform_data;
vpfe_dev->cfg = vpfe_cfg;
if (NULL == vpfe_cfg->ccdc ||
NULL == vpfe_cfg->card_name ||
NULL == vpfe_cfg->sub_devs) {
if (!vpfe_cfg->ccdc || !vpfe_cfg->card_name || !vpfe_cfg->sub_devs) {
v4l2_err(pdev->dev.driver, "null ptr in vpfe_cfg\n");
ret = -ENOENT;
goto probe_free_dev_mem;
@ -1936,7 +1933,7 @@ static int vpfe_probe(struct platform_device *pdev)
vpfe_dev->sd = kmalloc_array(num_subdevs,
sizeof(*vpfe_dev->sd),
GFP_KERNEL);
if (NULL == vpfe_dev->sd) {
if (!vpfe_dev->sd) {
ret = -ENOMEM;
goto probe_out_video_unregister;
}