diff options
| -rw-r--r-- | security/yama/yama_lsm.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c index 13c88fbcf037..24aae2ae2b30 100644 --- a/security/yama/yama_lsm.c +++ b/security/yama/yama_lsm.c @@ -379,20 +379,17 @@ static struct security_operations yama_ops = { static int yama_dointvec_minmax(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { - int rc; + struct ctl_table table_copy; if (write && !capable(CAP_SYS_PTRACE)) return -EPERM; - rc = proc_dointvec_minmax(table, write, buffer, lenp, ppos); - if (rc) - return rc; - /* Lock the max value if it ever gets set. */ - if (write && *(int *)table->data == *(int *)table->extra2) - table->extra1 = table->extra2; + table_copy = *table; + if (*(int *)table_copy.data == *(int *)table_copy.extra2) + table_copy.extra1 = table_copy.extra2; - return rc; + return proc_dointvec_minmax(&table_copy, write, buffer, lenp, ppos); } static int zero; |