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media: use strscpy() instead of strlcpy()

Telusuri Sumber 
The implementation of strscpy() is more robust and safer.

That's now the recommended way to copy NUL terminated strings.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab
2018-09-10 08:19:14 -04:00
orang tua b730c40813
melakukan c0decac19d
260 mengubah file dengan 676 tambahan dan 665 penghapusan
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8
drivers/media/platform/coda/coda-common.c
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@@ -390,10 +390,10 @@ static int coda_querycap(struct file *file, void *priv,
{
struct coda_ctx *ctx = fh_to_ctx(priv);
strlcpy(cap->driver, CODA_NAME, sizeof(cap->driver));
strlcpy(cap->card, coda_product_name(ctx->dev->devtype->product),
strscpy(cap->driver, CODA_NAME, sizeof(cap->driver));
strscpy(cap->card, coda_product_name(ctx->dev->devtype->product),
sizeof(cap->card));
strlcpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
strscpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
@@ -2408,7 +2408,7 @@ static int coda_register_device(struct coda_dev *dev, int i)
if (i >= dev->devtype->num_vdevs)
return -EINVAL;
strlcpy(vfd->name, dev->devtype->vdevs[i]->name, sizeof(vfd->name));
strscpy(vfd->name, dev->devtype->vdevs[i]->name, sizeof(vfd->name));
vfd->fops = &coda_fops;
vfd->ioctl_ops = &coda_ioctl_ops;
vfd->release = video_device_release_empty,