d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

For cd9660_ioctl, check for recycled vnode after locking it.

Browse Source 
Noted by:	Jaakko Heinonen <jh saunalahti fi>
MFC after:	2 weeks
This commit is contained in:
Konstantin Belousov 2009-06-10 15:48:34 +00:00
parent 029cb9c79d
commit 93bc76dc3e
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/fs/cd9660/cd9660_vnops.c
View File

@ -257,6 +257,10 @@ cd9660_ioctl(ap)
vp = ap->a_vp;
vn_lock(vp, LK_SHARED | LK_RETRY);
if (vp->v_iflag & VI_DOOMED) {
VOP_UNLOCK(vp, 0);
return (EBADF);
}
if (vp->v_type == VCHR || vp->v_type == VBLK) {
VOP_UNLOCK(vp, 0);
return (EOPNOTSUPP);