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[PATCH v1 1/2] flask: add const qualifier to security_context_to_sid()
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx>
- Date: Thu, 27 Aug 2026 09:38:01 +0000
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- Cc: Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx>, "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Thu, 27 Aug 2026 09:38:09 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHdNgfAVxs877kedUqP8J7OTWLOvA==
- Thread-topic: [PATCH v1 1/2] flask: add const qualifier to security_context_to_sid()
The function does not modify context argument.
Also it gives more flexibility to this API usage, because some context strings
in Xen are also const char*.
Signed-off-by: Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx>
---
xen/xsm/flask/include/security.h | 2 +-
xen/xsm/flask/ss/services.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/xen/xsm/flask/include/security.h b/xen/xsm/flask/include/security.h
index ec8b442a8f..a2c5f423f8 100644
--- a/xen/xsm/flask/include/security.h
+++ b/xen/xsm/flask/include/security.h
@@ -76,7 +76,7 @@ int security_change_sid(u32 ssid, u32 tsid, u16 tclass, u32
*out_sid);
int security_sid_to_context(u32 sid, char **scontext, u32 *scontext_len);
-int security_context_to_sid(char *scontext, u32 scontext_len, u32 *out_sid);
+int security_context_to_sid(const char *scontext, u32 scontext_len, u32
*out_sid);
int security_get_allow_unknown(void);
diff --git a/xen/xsm/flask/ss/services.c b/xen/xsm/flask/ss/services.c
index 35ad1034ca..764ac7d1d8 100644
--- a/xen/xsm/flask/ss/services.c
+++ b/xen/xsm/flask/ss/services.c
@@ -813,7 +813,7 @@ out:
* Returns -%EINVAL if the context is invalid, -%ENOMEM if insufficient
* memory is available, or 0 on success.
*/
-int security_context_to_sid(char *scontext, u32 scontext_len, u32 *sid)
+int security_context_to_sid(const char *scontext, u32 scontext_len, u32 *sid)
{
char *scontext2;
struct context context;
--
2.43.0
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