apparmor: Force type-casting of current->real_cred

Bharath Vedartham · jrjohansen · commit bf1d2ee7bc62 · 2019-06-20T10:33:31.000-07:00
This patch fixes the sparse warning:
warning: cast removes address space '&lt;asn:4&gt;' of expression.

Signed-off-by: Bharath Vedartham &lt;linux.bhar@gmail.com&gt;
Signed-off-by: John Johansen &lt;john.johansen@canonical.com&gt;
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
@@ -1576,7 +1576,7 @@ static int param_set_mode(const char *val, const struct kernel_param *kp)
  */
 static int __init set_init_ctx(void)
 {
-	struct cred *cred = (struct cred *)current->real_cred;
+	struct cred *cred = (__force struct cred *)current->real_cred;
 
 	set_cred_label(cred, aa_get_label(ns_unconfined(root_ns)));
 

Original file line number	Diff line number	Diff line change
`@@ -1576,7 +1576,7 @@ static int param_set_mode(const char val, const struct kernel_param kp)`
`1576`	`1576`	`*/`
`1577`	`1577`	`static int __init set_init_ctx(void)`
`1578`	`1578`	`{`
`1579`		`- struct cred cred = (struct cred )current->real_cred;`
	`1579`	`+ struct cred cred = (__force struct cred )current->real_cred;`
`1580`	`1580`
`1581`	`1581`	`set_cred_label(cred, aa_get_label(ns_unconfined(root_ns)));`
`1582`	`1582`