diff options
Diffstat (limited to 'trans/mtab.c')
| -rw-r--r-- | trans/mtab.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/trans/mtab.c b/trans/mtab.c index e855080b..e0fcb468 100644 --- a/trans/mtab.c +++ b/trans/mtab.c @@ -344,7 +344,7 @@ mtab_populate (struct mtab *mtab, const char *path, int insecure) error_t err = 0; /* These resources are freed in the epilogue. */ - file_t node = MACH_PORT_NULL; + file_t node = MACH_PORT_NULL, underlying_node = MACH_PORT_NULL; char *argz = NULL; size_t argz_len = 0; char **argv = NULL; @@ -357,19 +357,19 @@ mtab_populate (struct mtab *mtab, const char *path, int insecure) char *children = NULL; size_t children_len = 0; - if (! insecure) + /* Get the underlying node. */ + underlying_node = file_name_lookup (path, O_NOTRANS, 0666); + if (underlying_node == MACH_PORT_NULL) { - /* Get the underlying node. */ - node = file_name_lookup (path, O_NOTRANS, 0666); - if (node == MACH_PORT_NULL) - { - err = errno; - goto errout; - } + err = errno; + goto errout; + } + if (! insecure) + { /* Check who owns the node the translator is bound to. */ io_statbuf_t st; - err = io_stat (node, &st); + err = io_stat (underlying_node, &st); if (err) goto errout; @@ -378,8 +378,6 @@ mtab_populate (struct mtab *mtab, const char *path, int insecure) err = EPERM; goto errout; } - - mach_port_deallocate (mach_task_self (), node); } /* (Re-)do the lookup without O_NOTRANS to get the root node. */ @@ -397,7 +395,7 @@ mtab_populate (struct mtab *mtab, const char *path, int insecure) } /* Avoid running in circles. */ - if (mtab_mark_as_seen (mtab, node)) + if (mtab_mark_as_seen (mtab, underlying_node)) { err = 0; goto errout; @@ -509,6 +507,8 @@ mtab_populate (struct mtab *mtab, const char *path, int insecure) } errout: + if (underlying_node != MACH_PORT_NULL) + mach_port_deallocate (mach_task_self (), underlying_node); if (node != MACH_PORT_NULL) mach_port_deallocate (mach_task_self (), node); |