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authorMarkus Elfring <elfring@users.sourceforge.net>2016-10-12 15:40:32 +0200
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-11-16 16:03:25 +0100
commit396c88e6c80cc30d4ef8dc927aae1b15f251a217 (patch)
tree02d0d89892f4cc05fc1803ddbfc0013fed73ac98
parent[media] DaVinci-VPIF-Display: Delete an error message for a failed memory all... (diff)
downloadlinux-396c88e6c80cc30d4ef8dc927aae1b15f251a217.tar.xz
linux-396c88e6c80cc30d4ef8dc927aae1b15f251a217.zip
[media] DaVinci-VPIF-Display: Adjust 11 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>
-rw-r--r--drivers/media/platform/davinci/vpif_display.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c
index 987c17d3825d..867bf5c63cb6 100644
--- a/drivers/media/platform/davinci/vpif_display.c
+++ b/drivers/media/platform/davinci/vpif_display.c
@@ -271,10 +271,10 @@ 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);
}
@@ -686,7 +686,7 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id)
struct v4l2_output output;
int ret;
- if (config->chan_config[ch->channel_id].outputs == NULL)
+ if (!config->chan_config[ch->channel_id].outputs)
return -ENODATA;
chan_cfg = &config->chan_config[ch->channel_id];
@@ -732,7 +732,7 @@ static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std)
struct vpif_display_chan_config *chan_cfg;
struct v4l2_output output;
- if (config->chan_config[ch->channel_id].outputs == NULL)
+ if (!config->chan_config[ch->channel_id].outputs)
return -ENODATA;
chan_cfg = &config->chan_config[ch->channel_id];
@@ -783,11 +783,11 @@ vpif_output_to_subdev(struct vpif_display_config *vpif_cfg,
vpif_dbg(2, debug, "vpif_output_to_subdev\n");
- if (chan_cfg->outputs == NULL)
+ if (!chan_cfg->outputs)
return -1;
subdev_name = chan_cfg->outputs[index].subdev_name;
- if (subdev_name == NULL)
+ if (!subdev_name)
return -1;
/* loop through the sub device list to get the sub device info */
@@ -833,7 +833,7 @@ static int vpif_set_output(struct vpif_display_config *vpif_cfg,
}
ch->output_idx = index;
ch->sd = sd;
- if (chan_cfg->outputs != NULL)
+ if (chan_cfg->outputs)
/* update tvnorms from the sub device output info */
ch->video_dev.tvnorms = chan_cfg->outputs[index].output.std;
return 0;
@@ -885,7 +885,7 @@ vpif_enum_dv_timings(struct file *file, void *priv,
struct v4l2_output output;
int ret;
- if (config->chan_config[ch->channel_id].outputs == NULL)
+ if (!config->chan_config[ch->channel_id].outputs)
return -ENODATA;
chan_cfg = &config->chan_config[ch->channel_id];
@@ -922,7 +922,7 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
struct v4l2_output output;
int ret;
- if (config->chan_config[ch->channel_id].outputs == NULL)
+ if (!config->chan_config[ch->channel_id].outputs)
return -ENODATA;
chan_cfg = &config->chan_config[ch->channel_id];
@@ -1016,7 +1016,7 @@ static int vpif_g_dv_timings(struct file *file, void *priv,
struct video_obj *vid_ch = &ch->video;
struct v4l2_output output;
- if (config->chan_config[ch->channel_id].outputs == NULL)
+ if (!config->chan_config[ch->channel_id].outputs)
goto error;
chan_cfg = &config->chan_config[ch->channel_id];
@@ -1275,7 +1275,7 @@ static __init int vpif_probe(struct platform_device *pdev)
subdev_count = vpif_obj.config->subdev_count;
subdevdata = vpif_obj.config->subdevinfo;
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;
}