diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-ioctl.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-ioctl.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c index 5325c7aacaf..84507a39f2b 100644 --- a/drivers/media/video/cx18/cx18-ioctl.c +++ b/drivers/media/video/cx18/cx18-ioctl.c @@ -622,6 +622,7 @@ static int cx18_encoder_cmd(struct file *file, void *fh, { struct cx18_open_id *id = fh; struct cx18 *cx = id->cx; + u32 h; switch (enc->cmd) { case V4L2_ENC_CMD_START: @@ -643,8 +644,14 @@ static int cx18_encoder_cmd(struct file *file, void *fh, return -EPERM; if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) return 0; + h = cx18_find_handle(cx); + if (h == CX18_INVALID_TASK_HANDLE) { + CX18_ERR("Can't find valid task handle for " + "V4L2_ENC_CMD_PAUSE\n"); + return -EBADFD; + } cx18_mute(cx); - cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, cx18_find_handle(cx)); + cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, h); break; case V4L2_ENC_CMD_RESUME: @@ -654,7 +661,13 @@ static int cx18_encoder_cmd(struct file *file, void *fh, return -EPERM; if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) return 0; - cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, cx18_find_handle(cx)); + h = cx18_find_handle(cx); + if (h == CX18_INVALID_TASK_HANDLE) { + CX18_ERR("Can't find valid task handle for " + "V4L2_ENC_CMD_RESUME\n"); + return -EBADFD; + } + cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, h); cx18_unmute(cx); break; |