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author | Ezequiel Garcia <elezegarcia@gmail.com> | 2012-10-23 18:57:20 (GMT) |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-12-27 21:02:09 (GMT) |
commit | 3618acab2ccefe292a3b1a1d7295f1368023b71a (patch) | |
tree | 475a3996de0134229de3b5d533d4c5078baf5200 /drivers/media/pci | |
parent | b52377475ae9dca21bcb1ae8ec0936fbae8595b2 (diff) | |
download | linux-fsl-qoriq-3618acab2ccefe292a3b1a1d7295f1368023b71a.tar.xz |
[media] cx23885: Replace memcpy with struct assignment
This kind of memcpy() is error-prone. Its replacement with a struct
assignment is prefered because it's type-safe and much easier to read.
Found by coccinelle. Hand patched and reviewed.
Tested by compilation only.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
identifier struct_name;
struct struct_name to;
struct struct_name from;
expression E;
@@
-memcpy(&(to), &(from), E);
+to = from;
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Reviewed-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/pci')
-rw-r--r-- | drivers/media/pci/cx23885/cx23885-video.c | 3 | ||||
-rw-r--r-- | drivers/media/pci/cx23885/cx23888-ir.c | 6 |
2 files changed, 3 insertions, 6 deletions
diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c index 0e80ba4..5991bc8 100644 --- a/drivers/media/pci/cx23885/cx23885-video.c +++ b/drivers/media/pci/cx23885/cx23885-video.c @@ -1819,8 +1819,7 @@ int cx23885_video_register(struct cx23885_dev *dev) spin_lock_init(&dev->slock); /* Initialize VBI template */ - memcpy(&cx23885_vbi_template, &cx23885_video_template, - sizeof(cx23885_vbi_template)); + cx23885_vbi_template = cx23885_video_template; strcpy(cx23885_vbi_template.name, "cx23885-vbi"); dev->tvnorm = cx23885_video_template.current_norm; diff --git a/drivers/media/pci/cx23885/cx23888-ir.c b/drivers/media/pci/cx23885/cx23888-ir.c index c4bd1e9..d51eed0 100644 --- a/drivers/media/pci/cx23885/cx23888-ir.c +++ b/drivers/media/pci/cx23885/cx23888-ir.c @@ -1237,13 +1237,11 @@ int cx23888_ir_probe(struct cx23885_dev *dev) cx23888_ir_write4(dev, CX23888_IR_IRQEN_REG, 0); mutex_init(&state->rx_params_lock); - memcpy(&default_params, &default_rx_params, - sizeof(struct v4l2_subdev_ir_parameters)); + default_params = default_rx_params; v4l2_subdev_call(sd, ir, rx_s_parameters, &default_params); mutex_init(&state->tx_params_lock); - memcpy(&default_params, &default_tx_params, - sizeof(struct v4l2_subdev_ir_parameters)); + default_params = default_tx_params; v4l2_subdev_call(sd, ir, tx_s_parameters, &default_params); } else { kfifo_free(&state->rx_kfifo); |