diff options
Diffstat (limited to 'kernel/sysctl_check.c')
| -rw-r--r-- | kernel/sysctl_check.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/kernel/sysctl_check.c b/kernel/sysctl_check.c index d8a5558a47b4..c3206fa50048 100644 --- a/kernel/sysctl_check.c +++ b/kernel/sysctl_check.c @@ -1342,7 +1342,8 @@ static void sysctl_repair_table(struct ctl_table *table) } } -static struct ctl_table *sysctl_check_lookup(struct ctl_table *table) +static struct ctl_table *sysctl_check_lookup(struct nsproxy *namespaces, + struct ctl_table *table) { struct ctl_table_header *head; struct ctl_table *ref, *test; @@ -1350,8 +1351,8 @@ static struct ctl_table *sysctl_check_lookup(struct ctl_table *table) depth = sysctl_depth(table); - for (head = sysctl_head_next(NULL); head; - head = sysctl_head_next(head)) { + for (head = __sysctl_head_next(namespaces, NULL); head; + head = __sysctl_head_next(namespaces, head)) { cur_depth = depth; ref = head->ctl_table; repeat: @@ -1396,13 +1397,14 @@ static void set_fail(const char **fail, struct ctl_table *table, const char *str *fail = str; } -static int sysctl_check_dir(struct ctl_table *table) +static int sysctl_check_dir(struct nsproxy *namespaces, + struct ctl_table *table) { struct ctl_table *ref; int error; error = 0; - ref = sysctl_check_lookup(table); + ref = sysctl_check_lookup(namespaces, table); if (ref) { int match = 0; if ((!table->procname && !ref->procname) || @@ -1427,11 +1429,12 @@ static int sysctl_check_dir(struct ctl_table *table) return error; } -static void sysctl_check_leaf(struct ctl_table *table, const char **fail) +static void sysctl_check_leaf(struct nsproxy *namespaces, + struct ctl_table *table, const char **fail) { struct ctl_table *ref; - ref = sysctl_check_lookup(table); + ref = sysctl_check_lookup(namespaces, table); if (ref && (ref != table)) set_fail(fail, table, "Sysctl already exists"); } @@ -1455,7 +1458,7 @@ static void sysctl_check_bin_path(struct ctl_table *table, const char **fail) } } -int sysctl_check_table(struct ctl_table *table) +int sysctl_check_table(struct nsproxy *namespaces, struct ctl_table *table) { int error = 0; for (; table->ctl_name || table->procname; table++) { @@ -1485,7 +1488,7 @@ int sysctl_check_table(struct ctl_table *table) set_fail(&fail, table, "Directory with extra1"); if (table->extra2) set_fail(&fail, table, "Directory with extra2"); - if (sysctl_check_dir(table)) + if (sysctl_check_dir(namespaces, table)) set_fail(&fail, table, "Inconsistent directory names"); } else { if ((table->strategy == sysctl_data) || @@ -1534,7 +1537,7 @@ int sysctl_check_table(struct ctl_table *table) if (!table->procname && table->proc_handler) set_fail(&fail, table, "proc_handler without procname"); #endif - sysctl_check_leaf(table, &fail); + sysctl_check_leaf(namespaces, table, &fail); } sysctl_check_bin_path(table, &fail); if (fail) { @@ -1542,7 +1545,7 @@ int sysctl_check_table(struct ctl_table *table) error = -EINVAL; } if (table->child) - error |= sysctl_check_table(table->child); + error |= sysctl_check_table(namespaces, table->child); } return error; } |