diff options
Diffstat (limited to 'sys/compat/linux/linux_file.c')
| -rw-r--r-- | sys/compat/linux/linux_file.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/sys/compat/linux/linux_file.c b/sys/compat/linux/linux_file.c index d0e531b..1bbe4cc 100644 --- a/sys/compat/linux/linux_file.c +++ b/sys/compat/linux/linux_file.c @@ -124,14 +124,17 @@ linux_open(struct proc *p, struct linux_open_args *args) bsd_open_args.mode = args->mode; error = open(p, &bsd_open_args); + PROC_LOCK(p); if (!error && !(bsd_open_args.flags & O_NOCTTY) && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) { struct filedesc *fdp = p->p_fd; struct file *fp = fdp->fd_ofiles[p->p_retval[0]]; + PROC_UNLOCK(p); if (fp->f_type == DTYPE_VNODE) fo_ioctl(fp, TIOCSCTTY, (caddr_t) 0, p); - } + } else + PROC_UNLOCK(p); #ifdef DEBUG printf("Linux-emul(%d): open returns error %d\n", p->p_pid, error); @@ -402,6 +405,7 @@ linux_getdents(struct proc *p, struct linux_getdents_args *args) int buflen, error, eofflag, nbytes, justone; u_long *cookies = NULL, *cookiep; int ncookies; + struct ucred *uc; #ifdef DEBUG printf("Linux-emul(%d): getdents(%d, *, %d)\n", @@ -419,7 +423,13 @@ linux_getdents(struct proc *p, struct linux_getdents_args *args) if (vp->v_type != VDIR) return (EINVAL); - if ((error = VOP_GETATTR(vp, &va, p->p_ucred, p))) { + PROC_LOCK(p); + uc = p->p_ucred; + crhold(uc); + PROC_UNLOCK(p); + error = VOP_GETATTR(vp, &va, uc, p); + crfree(uc); + if (error) { return error; } |
