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Be a bit more assertive about vnode bypass.

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This commit is contained in:
Poul-Henning Kamp 2004-12-14 09:32:18 +00:00
parent 2010c542b2
commit 2a9e0c3216
1 changed files with 17 additions and 16 deletions
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33
sys/fs/devfs/devfs_vnops.c
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@ -811,23 +811,24 @@ devfs_open(ap)
if (error)
return (error);
if (ap->a_fdidx >= 0) {
/*
* This is a pretty disgustingly long chain, but I am not
* sure there is any better way. Passing the fdidx into
* VOP_OPEN() offers us more information than just passing
* the file *.
*/
fp = ap->a_td->td_proc->p_fd->fd_ofiles[ap->a_fdidx];
if (fp->f_ops == &badfileops) {
#if 0
printf("devfs_open(%s)\n", devtoname(dev));
#if 0 /* /dev/console */
KASSERT(ap->a_fdidx >= 0,
("Could not vnode bypass device on fd %d", ap->a_fdidx));
#else
if(ap->a_fdidx < 0)
return (error);
#endif
fp->f_ops = &devfs_ops_f;
fp->f_data = dev;
}
}
/*
* This is a pretty disgustingly long chain, but I am not
* sure there is any better way. Passing the fdidx into
* VOP_OPEN() offers us more information than just passing
* the file *.
*/
fp = ap->a_td->td_proc->p_fd->fd_ofiles[ap->a_fdidx];
KASSERT(fp->f_ops == &badfileops,
("Could not vnode bypass device on fdops %p", fp->f_ops));
fp->f_ops = &devfs_ops_f;
fp->f_data = dev;
return (error);
}