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authorHans Verkuil <hverkuil-cisco@xs4all.nl>2022-07-11 13:21:07 +0300
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-08-19 14:46:11 +0300
commit5f2c5c69a61dc5411d436c1a422f8a1ee195a924 (patch)
treecd64f1180dedbf79c09cfd09ee8253d6aaf9a248 /drivers/media/v4l2-core/v4l2-ctrls-api.c
parent568035b01cfb107af8d2e4bd2fb9aea22cf5b868 (diff)
downloadlinux-5f2c5c69a61dc5411d436c1a422f8a1ee195a924.tar.xz
media: v4l2-ctrls: allocate space for arrays
Just like dynamic arrays, also allocate space for regular arrays. This is in preparation for allowing to change the array size from a driver. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ctrls-api.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-ctrls-api.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ctrls-api.c b/drivers/media/v4l2-core/v4l2-ctrls-api.c
index 50d012ba3c02..1b90bd7c4010 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls-api.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls-api.c
@@ -105,8 +105,8 @@ static int user_to_new(struct v4l2_ext_control *c, struct v4l2_ctrl *ctrl)
ctrl->is_new = 0;
if (ctrl->is_dyn_array &&
- c->size > ctrl->p_dyn_alloc_elems * ctrl->elem_size) {
- void *old = ctrl->p_dyn;
+ c->size > ctrl->p_array_alloc_elems * ctrl->elem_size) {
+ void *old = ctrl->p_array;
void *tmp = kvzalloc(2 * c->size, GFP_KERNEL);
if (!tmp)
@@ -115,8 +115,8 @@ static int user_to_new(struct v4l2_ext_control *c, struct v4l2_ctrl *ctrl)
memcpy(tmp + c->size, ctrl->p_cur.p, ctrl->elems * ctrl->elem_size);
ctrl->p_new.p = tmp;
ctrl->p_cur.p = tmp + c->size;
- ctrl->p_dyn = tmp;
- ctrl->p_dyn_alloc_elems = c->size / ctrl->elem_size;
+ ctrl->p_array = tmp;
+ ctrl->p_array_alloc_elems = c->size / ctrl->elem_size;
kvfree(old);
}