From 8bfb9b1ce62757b8dea07c239efbbeec7bac811a Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 21 Jun 2008 08:57:42 -0300 Subject: [PATCH] V4L/DVB (8083): videodev: zero fields for ENCODER_CMD and VIDIOC_G_SLICED_VBI_CAP This avoids the need of memsets in the ivtv/cx18 drivers. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/videodev.c | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c index 9c539eb338..0d56305c15 100644 --- a/drivers/media/video/videodev.c +++ b/drivers/media/video/videodev.c @@ -1616,26 +1616,26 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, } case VIDIOC_ENCODER_CMD: { - struct v4l2_encoder_cmd *p=arg; + struct v4l2_encoder_cmd *p = arg; if (!vfd->vidioc_encoder_cmd) break; - ret=vfd->vidioc_encoder_cmd(file, fh, p); + memset(&p->raw, 0, sizeof(p->raw)); + ret = vfd->vidioc_encoder_cmd(file, fh, p); if (!ret) - dbgarg (cmd, "cmd=%d, flags=%d\n", - p->cmd,p->flags); + dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags); break; } case VIDIOC_TRY_ENCODER_CMD: { - struct v4l2_encoder_cmd *p=arg; + struct v4l2_encoder_cmd *p = arg; if (!vfd->vidioc_try_encoder_cmd) break; - ret=vfd->vidioc_try_encoder_cmd(file, fh, p); + memset(&p->raw, 0, sizeof(p->raw)); + ret = vfd->vidioc_try_encoder_cmd(file, fh, p); if (!ret) - dbgarg (cmd, "cmd=%d, flags=%d\n", - p->cmd,p->flags); + dbgarg(cmd, "cmd=%d, flags=%x\n", p->cmd, p->flags); break; } case VIDIOC_G_PARM: @@ -1738,12 +1738,17 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, } case VIDIOC_G_SLICED_VBI_CAP: { - struct v4l2_sliced_vbi_cap *p=arg; + struct v4l2_sliced_vbi_cap *p = arg; + __u32 type = p->type; + if (!vfd->vidioc_g_sliced_vbi_cap) break; - ret=vfd->vidioc_g_sliced_vbi_cap(file, fh, p); + memset(p, 0, sizeof(*p)); + p->type = type; + ret = vfd->vidioc_g_sliced_vbi_cap(file, fh, p); if (!ret) - dbgarg (cmd, "service_set=%d\n", p->service_set); + dbgarg(cmd, "type=%d, service_set=%d\n", + p->type, p->service_set); break; } case VIDIOC_LOG_STATUS: -- 2.39.5