xiaomi-sm8450/android_kernel_xiaomi_sm8450
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media: use strscpy() instead of strlcpy()

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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
parent b730c40813
commit c0decac19d
260 changed files with 676 additions and 665 deletions
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6
drivers/media/platform/vimc/vimc-capture.c
View File

@@ -71,8 +71,8 @@ static int vimc_cap_querycap(struct file *file, void *priv,
{
struct vimc_cap_device *vcap = video_drvdata(file);
strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
strlcpy(cap->card, KBUILD_MODNAME, sizeof(cap->card));
strscpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
strscpy(cap->card, KBUILD_MODNAME, sizeof(cap->card));
snprintf(cap->bus_info, sizeof(cap->bus_info),
"platform:%s", vcap->vdev.v4l2_dev->name);
@@ -476,7 +476,7 @@ static int vimc_cap_comp_bind(struct device *comp, struct device *master,
vdev->queue = q;
vdev->v4l2_dev = v4l2_dev;
vdev->vfl_dir = VFL_DIR_RX;
strlcpy(vdev->name, pdata->entity_name, sizeof(vdev->name));
strscpy(vdev->name, pdata->entity_name, sizeof(vdev->name));
video_set_drvdata(vdev, &vcap->ved);
/* Register the video_device with the v4l2 and the media framework */

2
drivers/media/platform/vimc/vimc-common.c
View File

@@ -430,7 +430,7 @@ int vimc_ent_sd_register(struct vimc_ent_device *ved,
sd->entity.function = function;
sd->entity.ops = &vimc_ent_sd_mops;
sd->owner = THIS_MODULE;
strlcpy(sd->name, name, sizeof(sd->name));
strscpy(sd->name, name, sizeof(sd->name));
v4l2_set_subdevdata(sd, ved);
/* Expose this subdev to user space */

4
drivers/media/platform/vimc/vimc-core.c
View File

@@ -259,7 +259,7 @@ static struct component_match *vimc_add_subdevs(struct vimc_device *vimc)
dev_dbg(&vimc->pdev.dev, "new pdev for %s\n",
vimc->pipe_cfg->ents[i].drv);
strlcpy(pdata.entity_name, vimc->pipe_cfg->ents[i].name,
strscpy(pdata.entity_name, vimc->pipe_cfg->ents[i].name,
sizeof(pdata.entity_name));
vimc->subdevs[i] = platform_device_register_data(&vimc->pdev.dev,
@@ -317,7 +317,7 @@ static int vimc_probe(struct platform_device *pdev)
vimc->v4l2_dev.mdev = &vimc->mdev;
/* Initialize media device */
strlcpy(vimc->mdev.model, VIMC_MDEV_MODEL_NAME,
strscpy(vimc->mdev.model, VIMC_MDEV_MODEL_NAME,
sizeof(vimc->mdev.model));
vimc->mdev.dev = &pdev->dev;
media_device_init(&vimc->mdev);