diff options
| -rw-r--r-- | sys/fs/procfs/procfs.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/sys/fs/procfs/procfs.c b/sys/fs/procfs/procfs.c index 90d8975..d311a98 100644 --- a/sys/fs/procfs/procfs.c +++ b/sys/fs/procfs/procfs.c @@ -69,10 +69,18 @@ procfs_doprocfile(PFS_FILL_ARGS) { char *fullpath = "unknown"; char *freepath = NULL; - - vn_lock(p->p_textvp, LK_EXCLUSIVE | LK_RETRY, td); - vn_fullpath(td, p->p_textvp, &fullpath, &freepath); - VOP_UNLOCK(p->p_textvp, 0, td); + struct vnode *textvp; + int err; + + textvp = p->p_textvp; + VI_LOCK(textvp); + vholdl(textvp); + err = vn_lock(textvp, LK_EXCLUSIVE | LK_INTERLOCK, td); + vdrop(textvp); + if (err) + return (err); + vn_fullpath(td, textvp, &fullpath, &freepath); + VOP_UNLOCK(textvp, 0, td); sbuf_printf(sb, "%s", fullpath); if (freepath) free(freepath, M_TEMP); |
