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authorChristian Göttsche <cgzones@googlemail.com>2023-07-06 15:23:34 +0200
committerPaul Moore <paul@paul-moore.com>2023-07-18 18:29:50 -0400
commitc867248cf451964a14c64b4ca232055f117df9c1 (patch)
treea388122f9deb7dc755d79a3e2e8e5ce1f19bc8d0 /security/selinux
parent0e83c9c6fb0d7d2fddd2cd02575d7ad157e12837 (diff)
selinux: avoid implicit conversions regarding enforcing status
Use the type bool as parameter type in selinux_status_update_setenforce(). The related function enforcing_enabled() returns the type bool, while the struct selinux_kernel_status member enforcing uses an u32. Signed-off-by: Christian Göttsche <cgzones@googlemail.com> [PM: subject line tweaks] Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'security/selinux')
-rw-r--r--security/selinux/include/security.h2
-rw-r--r--security/selinux/selinuxfs.c7
-rw-r--r--security/selinux/status.c4
3 files changed, 7 insertions, 6 deletions
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 08840aa0782d..6b8b8fc3badd 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -375,7 +375,7 @@ struct selinux_kernel_status {
*/
} __packed;
-extern void selinux_status_update_setenforce(int enforcing);
+extern void selinux_status_update_setenforce(bool enforcing);
extern void selinux_status_update_policyload(u32 seqno);
extern void selinux_complete_init(void);
extern struct path selinux_null;
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index bad1f6b685fd..f79e96f0f221 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -138,7 +138,8 @@ static ssize_t sel_write_enforce(struct file *file, const char __user *buf,
{
char *page = NULL;
ssize_t length;
- int old_value, new_value;
+ int scan_value;
+ bool old_value, new_value;
if (count >= PAGE_SIZE)
return -ENOMEM;
@@ -152,10 +153,10 @@ static ssize_t sel_write_enforce(struct file *file, const char __user *buf,
return PTR_ERR(page);
length = -EINVAL;
- if (sscanf(page, "%d", &new_value) != 1)
+ if (sscanf(page, "%d", &scan_value) != 1)
goto out;
- new_value = !!new_value;
+ new_value = !!scan_value;
old_value = enforcing_enabled();
if (new_value != old_value) {
diff --git a/security/selinux/status.c b/security/selinux/status.c
index e436e4975adc..dffca22ce6f7 100644
--- a/security/selinux/status.c
+++ b/security/selinux/status.c
@@ -76,7 +76,7 @@ struct page *selinux_kernel_status_page(void)
*
* It updates status of the current enforcing/permissive mode.
*/
-void selinux_status_update_setenforce(int enforcing)
+void selinux_status_update_setenforce(bool enforcing)
{
struct selinux_kernel_status *status;
@@ -87,7 +87,7 @@ void selinux_status_update_setenforce(int enforcing)
status->sequence++;
smp_wmb();
- status->enforcing = enforcing;
+ status->enforcing = enforcing ? 1 : 0;
smp_wmb();
status->sequence++;