lsm: rename variable to avoid shadowing

The function dump_common_audit_data() contains two variables with the
name comm: one declared at the top and one nested one.  Rename the
nested variable to improve readability and make future refactorings
of the function less error prone.

Signed-off-by: Christian Göttsche <[email protected]>
[PM: description long line removal, line wrap cleanup, merge fuzz]
Signed-off-by: Paul Moore <[email protected]>

Author: cgzones

security/lsm_audit.c

@@ -299,10 +299,10 @@ static void dump_common_audit_data(struct audit_buffer *ab,
 		if (tsk) {
 			pid_t pid = task_tgid_nr(tsk);
 			if (pid) {
-				char comm[sizeof(tsk->comm)];
+				char tskcomm[sizeof(tsk->comm)];
 				audit_log_format(ab, " opid=%d ocomm=", pid);
 				audit_log_untrustedstring(ab,
-				    get_task_comm(comm, tsk));
+				    get_task_comm(tskcomm, tsk));
 			}
 		}
 		break;