diff options
| author | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2019-02-21 08:23:50 -0500 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-03-19 13:22:08 -0400 |
| commit | 57ac534828798affcf13b6f9122dfac7bf135dd0 (patch) | |
| tree | 423aa68ba378c13c5c4fd83fdba5fce934463b14 | |
| parent | 13deaec42578fb4da844b0c81d13a88b59fdae65 (diff) | |
media: vivid: use vzalloc for dev->bitmap_out
When vivid is unloaded it used vfree to free dev->bitmap_out,
but it was actually allocated using kmalloc. Use vzalloc
instead, conform what vivid-vid-cap.c does.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
| -rw-r--r-- | drivers/media/platform/vivid/vivid-vid-out.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/media/platform/vivid/vivid-vid-out.c b/drivers/media/platform/vivid/vivid-vid-out.c index e61b91b414f9..9350ca65dd91 100644 --- a/drivers/media/platform/vivid/vivid-vid-out.c +++ b/drivers/media/platform/vivid/vivid-vid-out.c @@ -798,7 +798,7 @@ int vivid_vid_out_s_selection(struct file *file, void *fh, struct v4l2_selection s->r.height *= factor; if (dev->bitmap_out && (compose->width != s->r.width || compose->height != s->r.height)) { - kfree(dev->bitmap_out); + vfree(dev->bitmap_out); dev->bitmap_out = NULL; } *compose = s->r; @@ -941,15 +941,19 @@ int vidioc_s_fmt_vid_out_overlay(struct file *file, void *priv, return ret; if (win->bitmap) { - new_bitmap = memdup_user(win->bitmap, bitmap_size); + new_bitmap = vzalloc(bitmap_size); - if (IS_ERR(new_bitmap)) - return PTR_ERR(new_bitmap); + if (!new_bitmap) + return -ENOMEM; + if (copy_from_user(new_bitmap, win->bitmap, bitmap_size)) { + vfree(new_bitmap); + return -EFAULT; + } } dev->overlay_out_top = win->w.top; dev->overlay_out_left = win->w.left; - kfree(dev->bitmap_out); + vfree(dev->bitmap_out); dev->bitmap_out = new_bitmap; dev->clipcount_out = win->clipcount; if (dev->clipcount_out) |