diff options
| -rw-r--r-- | sys/compat/linprocfs/linprocfs.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/sys/compat/linprocfs/linprocfs.c b/sys/compat/linprocfs/linprocfs.c index 9142c93..8aac3ea 100644 --- a/sys/compat/linprocfs/linprocfs.c +++ b/sys/compat/linprocfs/linprocfs.c @@ -858,10 +858,20 @@ linprocfs_doprocstatus(PFS_FILL_ARGS) static int linprocfs_doproccwd(PFS_FILL_ARGS) { + struct filedesc *fdp; + struct vnode *vp; char *fullpath = "unknown"; char *freepath = NULL; - vn_fullpath(td, p->p_fd->fd_cdir, &fullpath, &freepath); + fdp = p->p_fd; + FILEDESC_SLOCK(fdp); + vp = fdp->fd_cdir; + if (vp != NULL) + VREF(vp); + FILEDESC_SUNLOCK(fdp); + vn_fullpath(td, vp, &fullpath, &freepath); + if (vp != NULL) + vrele(vp); sbuf_printf(sb, "%s", fullpath); if (freepath) free(freepath, M_TEMP); @@ -874,12 +884,20 @@ linprocfs_doproccwd(PFS_FILL_ARGS) static int linprocfs_doprocroot(PFS_FILL_ARGS) { - struct vnode *rvp; + struct filedesc *fdp; + struct vnode *vp; char *fullpath = "unknown"; char *freepath = NULL; - rvp = jailed(p->p_ucred) ? p->p_fd->fd_jdir : p->p_fd->fd_rdir; - vn_fullpath(td, rvp, &fullpath, &freepath); + fdp = p->p_fd; + FILEDESC_SLOCK(fdp); + vp = jailed(p->p_ucred) ? fdp->fd_jdir : fdp->fd_rdir; + if (vp != NULL) + VREF(vp); + FILEDESC_SUNLOCK(fdp); + vn_fullpath(td, vp, &fullpath, &freepath); + if (vp != NULL) + vrele(vp); sbuf_printf(sb, "%s", fullpath); if (freepath) free(freepath, M_TEMP); |
