From c580f295663ea22b49edeefbdcdf2e67ce9ef91f Mon Sep 17 00:00:00 2001 From: Markus Elfring Date: Wed, 12 Oct 2016 05:46:28 -0300 Subject: [PATCH] [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 Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/davinci/vpfe_capture.c | 25 ++++++++----------- 1 file changed, 11 insertions(+), 14 deletions(-) diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c index ab073f273b95..71f1ac1adec0 100644 --- a/drivers/media/platform/davinci/vpfe_capture.c +++ b/drivers/media/platform/davinci/vpfe_capture.c @@ -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; } -- 2.20.1