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media: vimc: Constify vimc_ent_type structures

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The vimc_ent_type structure contains static pointers to functions, and
no other information that need to be modified after initialization. Make
them const to avoid the risk of arbitrary code execution following an
overflow that would overwrite the structure's contents.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Laurent Pinchart 2024-04-25 02:57:34 +03:00 committed by Hans Verkuil
parent 2ef9a1e722
commit 73a4385c69
6 changed files with 11 additions and 11 deletions
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2
drivers/media/test-drivers/vimc/vimc-capture.c
View File

@ -494,7 +494,7 @@ static struct vimc_ent_device *vimc_capture_add(struct vimc_device *vimc,
return ERR_PTR(ret);
}
struct vimc_ent_type vimc_capture_type = {
const struct vimc_ent_type vimc_capture_type = {
.add = vimc_capture_add,
.unregister = vimc_capture_unregister,
.release = vimc_capture_release

12
drivers/media/test-drivers/vimc/vimc-common.h
View File

@ -156,7 +156,7 @@ struct vimc_ent_type {
*/
struct vimc_ent_config {
const char *name;
struct vimc_ent_type *type;
const struct vimc_ent_type *type;
};
/**
@ -167,11 +167,11 @@ struct vimc_ent_config {
*/
bool vimc_is_source(struct media_entity *ent);
extern struct vimc_ent_type vimc_sensor_type;
extern struct vimc_ent_type vimc_debayer_type;
extern struct vimc_ent_type vimc_scaler_type;
extern struct vimc_ent_type vimc_capture_type;
extern struct vimc_ent_type vimc_lens_type;
extern const struct vimc_ent_type vimc_sensor_type;
extern const struct vimc_ent_type vimc_debayer_type;
extern const struct vimc_ent_type vimc_scaler_type;
extern const struct vimc_ent_type vimc_capture_type;
extern const struct vimc_ent_type vimc_lens_type;
/**
* vimc_pix_map_by_index - get vimc_pix_map struct by its index

2
drivers/media/test-drivers/vimc/vimc-debayer.c
View File

@ -622,7 +622,7 @@ static struct vimc_ent_device *vimc_debayer_add(struct vimc_device *vimc,
return ERR_PTR(ret);
}
struct vimc_ent_type vimc_debayer_type = {
const struct vimc_ent_type vimc_debayer_type = {
.add = vimc_debayer_add,
.release = vimc_debayer_release
};

2
drivers/media/test-drivers/vimc/vimc-lens.c
View File

@ -96,7 +96,7 @@ static void vimc_lens_release(struct vimc_ent_device *ved)
kfree(vlens);
}
struct vimc_ent_type vimc_lens_type = {
const struct vimc_ent_type vimc_lens_type = {
.add = vimc_lens_add,
.release = vimc_lens_release
};

2
drivers/media/test-drivers/vimc/vimc-scaler.c
View File

@ -442,7 +442,7 @@ static struct vimc_ent_device *vimc_scaler_add(struct vimc_device *vimc,
return &vscaler->ved;
}
struct vimc_ent_type vimc_scaler_type = {
const struct vimc_ent_type vimc_scaler_type = {
.add = vimc_scaler_add,
.release = vimc_scaler_release
};

2
drivers/media/test-drivers/vimc/vimc-sensor.c
View File

@ -448,7 +448,7 @@ static struct vimc_ent_device *vimc_sensor_add(struct vimc_device *vimc,
return ERR_PTR(ret);
}
struct vimc_ent_type vimc_sensor_type = {
const struct vimc_ent_type vimc_sensor_type = {
.add = vimc_sensor_add,
.release = vimc_sensor_release
};