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V4L/DVB (11260): v4l2-ioctl: Check format for S_PARM and G_PARM
authorTrent Piepho <xyzzy@speakeasy.org>
Sun, 29 Mar 2009 01:25:35 +0000 (22:25 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Mon, 30 Mar 2009 15:43:44 +0000 (12:43 -0300)
commit34796bc009565ea72643087b7d69c9fa748bce9b
tree85aa4eaaaad8f188cc574e9f8488f5fb2a5d51e3tree | snapshot
parent3fd8ab30c1fe9118a13f4b55172067ee04ef7a67commit | diff
V4L/DVB (11260): v4l2-ioctl:  Check format for S_PARM and G_PARM

Return EINVAL if VIDIOC_S/G_PARM is called for a buffer type that the
driver doesn't define a ->vidioc_try_fmt_XXX() method for.  Several other
ioctls, like QUERYBUF, QBUF, and DQBUF, etc.  do this too.  It saves each
driver from having to check if the buffer type is one that it supports.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/v4l2-ioctl.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git