> Here's a patch against 2.4.4 that integrates those files into the > kernel. > > ftp://ftp.thedirks.org/pub/v4l2/kernel2.4/patch-v4l2-2.4.4.gz bugfix below: IMHO the copying back to userspace should _not_ be done if the driver flags an error. Gerd PS: /me runs 2.4.4-ac kernels right now. If someone needs a v4l2 patch for those kernels drop me a note, I can build one if needed. -------------------------- cut here ------------------------ --- drivers/media/video/v4l2-common.c~ Sat May 5 09:58:34 2001 +++ drivers/media/video/v4l2-common.c Mon May 7 10:58:34 2001 @@ -133,6 +133,9 @@ inode, file, cmd, parg); } + if (err < 0) + return (err == -ENOIOCTLCMD) ? -EINVAL : err; + /* Copy results into user buffer */ switch (_IOC_DIR(cmd)) { @@ -148,11 +151,7 @@ break; } - if (err != -ENOIOCTLCMD) - return err; - - /* Handle ioctls not recognized by the driver */ - return -EINVAL; + return err; } /*
