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Subject: feature_removal_schedule.txt: mark VIDIOC_*_OLD ioctls to die Author: Mauro Carvalho Chehab <[email protected]> Date: Mon Dec 27 12:14:52 2010 -0200 There are some old broken definitions of ioctl's, where the read/write arguments were marked wrong. The last one were added on 2.6.6 kernel. Remove them, in order to cleanup some copy_from_user/copy_to_user logic done inside V4L core. Signed-off-by: Mauro Carvalho Chehab <[email protected]> Documentation/feature-removal-schedule.txt | 21 +++++++++++++++++++++ 1 files changed, 21 insertions(+), 0 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=0ccbb0642d57b7d8b044ecf6d6529b186591c1ce diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index e348b7e..f2742e1 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -112,6 +112,27 @@ Who: Mauro Carvalho Chehab <[email protected]> --------------------------- +What: Video4Linux: Remove obsolete ioctl's +When: kernel 2.6.39 +Files: include/media/videodev2.h +Why: Some ioctl's were defined wrong on 2.6.2 and 2.6.6, using the wrong + type of R/W arguments. They were fixed, but the old ioctl names are + still there, maintained to avoid breaking binary compatibility: + #define VIDIOC_OVERLAY_OLD _IOWR('V', 14, int) + #define VIDIOC_S_PARM_OLD _IOW('V', 22, struct v4l2_streamparm) + #define VIDIOC_S_CTRL_OLD _IOW('V', 28, struct v4l2_control) + #define VIDIOC_G_AUDIO_OLD _IOWR('V', 33, struct v4l2_audio) + #define VIDIOC_G_AUDOUT_OLD _IOWR('V', 49, struct v4l2_audioout) + #define VIDIOC_CROPCAP_OLD _IOR('V', 58, struct v4l2_cropcap) + There's no sense on preserving those forever, as it is very doubtful + that someone would try to use a such old binary with a modern kernel. + Removing them will allow us to remove some magic done at the V4L ioctl + handler. + +Who: Mauro Carvalho Chehab <[email protected]> + +--------------------------- + What: sys_sysctl When: September 2010 Option: CONFIG_SYSCTL_SYSCALL _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
