> 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;
}
/*
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