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authorJames Morris <james.l.morris@oracle.com>2015-03-03 19:56:08 +1100
committerJames Morris <james.l.morris@oracle.com>2015-03-03 19:56:08 +1100
commit74f0414b2f9a6b12df208a69baa21e22178a2463 (patch)
treeebcd6985ad3267b926d45a672470f89a2104f13c /security
parentc517d838eb7d07bbe9507871fab3931deccff539 (diff)
parent44aa1d4413876cca0962debc9483ba009d71737f (diff)
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Merge tag 'yama-4.0' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux into next
Diffstat (limited to 'security')
-rw-r--r--security/yama/Kconfig2
-rw-r--r--security/yama/yama_lsm.c13
2 files changed, 5 insertions, 10 deletions
diff --git a/security/yama/Kconfig b/security/yama/Kconfig
index 20ef5143c0c0..3123e1da2fed 100644
--- a/security/yama/Kconfig
+++ b/security/yama/Kconfig
@@ -1,8 +1,6 @@
config SECURITY_YAMA
bool "Yama support"
depends on SECURITY
- select SECURITYFS
- select SECURITY_PATH
default n
help
This selects Yama, which extends DAC support with additional
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;