diff options
| -rw-r--r-- | sys/fs/pseudofs/pseudofs_vnops.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/sys/fs/pseudofs/pseudofs_vnops.c b/sys/fs/pseudofs/pseudofs_vnops.c index 3cdd21a..93aa23c 100644 --- a/sys/fs/pseudofs/pseudofs_vnops.c +++ b/sys/fs/pseudofs/pseudofs_vnops.c @@ -543,21 +543,24 @@ static int pfs_iterate(struct thread *td, pid_t pid, struct pfs_node *pd, struct pfs_node **pn, struct proc **p) { - if ((*pn) == NULL) - *pn = pd->pn_nodes; - else + mtx_assert(&allproc, MA_OWNED); again: - if ((*pn)->pn_type != pfstype_procdir) + if (*pn == NULL) { + /* first node */ + *pn = pd->pn_nodes; + } else if ((*pn)->pn_type != pfstype_procdir) { + /* next node */ *pn = (*pn)->pn_next; - - while (*pn != NULL && (*pn)->pn_type == pfstype_procdir) { + } + if (*pn != NULL && (*pn)->pn_type == pfstype_procdir) { + /* next process */ if (*p == NULL) *p = LIST_FIRST(&allproc); else *p = LIST_NEXT(*p, p_list); - if (*p != NULL) - break; - *pn = (*pn)->pn_next; + /* out of processes: next node */ + if (*p == NULL) + *pn = (*pn)->pn_next; } if ((*pn) == NULL) |
