From 03161cdb69ef98434a2c8e85234aae7975ca4501 Mon Sep 17 00:00:00 2001
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 12 Oct 2016 10:20:34 -0300
Subject: [PATCH] [media] DaVinci-VPIF-Capture: Adjust ten checks for null
pointers
The script "checkpatch.pl" pointed information out like the following.
Comparison to NULL could be written ...
Thus fix the affected source code places.
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>
---
drivers/media/platform/davinci/vpif_capture.c | 20 +++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c
index 515384b25ea15..0c44e2b844348 100644
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -291,10 +291,10 @@ static void vpif_stop_streaming(struct vb2_queue *vq)
vb2_buffer_done(&common->cur_frm->vb.vb2_buf,
VB2_BUF_STATE_ERROR);
} else {
- if (common->cur_frm != NULL)
+ if (common->cur_frm)
vb2_buffer_done(&common->cur_frm->vb.vb2_buf,
VB2_BUF_STATE_ERROR);
- if (common->next_frm != NULL)
+ if (common->next_frm)
vb2_buffer_done(&common->next_frm->vb.vb2_buf,
VB2_BUF_STATE_ERROR);
}
@@ -648,7 +648,7 @@ static int vpif_input_to_subdev(
vpif_dbg(2, debug, "vpif_input_to_subdev\n");
subdev_name = chan_cfg->inputs[input_index].subdev_name;
- if (subdev_name == NULL)
+ if (!subdev_name)
return -1;
/* loop through the sub device list to get the sub device info */
@@ -764,7 +764,7 @@ static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std)
vpif_dbg(2, debug, "vpif_g_std\n");
- if (config->chan_config[ch->channel_id].inputs == NULL)
+ if (!config->chan_config[ch->channel_id].inputs)
return -ENODATA;
chan_cfg = &config->chan_config[ch->channel_id];
@@ -794,7 +794,7 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id)
vpif_dbg(2, debug, "vpif_s_std\n");
- if (config->chan_config[ch->channel_id].inputs == NULL)
+ if (!config->chan_config[ch->channel_id].inputs)
return -ENODATA;
chan_cfg = &config->chan_config[ch->channel_id];
@@ -1050,7 +1050,7 @@ vpif_enum_dv_timings(struct file *file, void *priv,
struct v4l2_input input;
int ret;
- if (config->chan_config[ch->channel_id].inputs == NULL)
+ if (!config->chan_config[ch->channel_id].inputs)
return -ENODATA;
chan_cfg = &config->chan_config[ch->channel_id];
@@ -1084,7 +1084,7 @@ vpif_query_dv_timings(struct file *file, void *priv,
struct v4l2_input input;
int ret;
- if (config->chan_config[ch->channel_id].inputs == NULL)
+ if (!config->chan_config[ch->channel_id].inputs)
return -ENODATA;
chan_cfg = &config->chan_config[ch->channel_id];
@@ -1120,7 +1120,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
struct v4l2_input input;
int ret;
- if (config->chan_config[ch->channel_id].inputs == NULL)
+ if (!config->chan_config[ch->channel_id].inputs)
return -ENODATA;
chan_cfg = &config->chan_config[ch->channel_id];
@@ -1213,7 +1213,7 @@ static int vpif_g_dv_timings(struct file *file, void *priv,
struct vpif_capture_chan_config *chan_cfg;
struct v4l2_input input;
- if (config->chan_config[ch->channel_id].inputs == NULL)
+ if (!config->chan_config[ch->channel_id].inputs)
return -ENODATA;
chan_cfg = &config->chan_config[ch->channel_id];
@@ -1460,7 +1460,7 @@ static __init int vpif_probe(struct platform_device *pdev)
subdev_count = vpif_obj.config->subdev_count;
vpif_obj.sd = kcalloc(subdev_count, sizeof(*vpif_obj.sd), GFP_KERNEL);
- if (vpif_obj.sd == NULL) {
+ if (!vpif_obj.sd) {
err = -ENOMEM;
goto vpif_unregister;
}
--
2.30.2