scripts: checkpatch: use elsif and make %pA an ERROR

Signed-off-by: Joe Perches <joe@perches.com>
Co-developed-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Author: JoePerches

scripts/checkpatch.pl

@@ -6782,19 +6782,19 @@ sub process {
 				}
 				if ($bad_specifier ne "") {
 					my $stat_real = get_stat_real($linenr, $lc);
+					my $msg_level = \&WARN;
 					my $ext_type = "Invalid";
 					my $use = "";
-					if ($bad_specifier =~ /pA/) {
-						ERROR("VSPRINTF_RUST",
-							"'\%pA' is only intended to be used from Rust code\n" . "$here\n$stat_real\n");
-					}
 					if ($bad_specifier =~ /p[Ff]/) {
 						$use = " - use %pS instead";
 						$use =~ s/pS/ps/ if ($bad_specifier =~ /pf/);
+					} elsif ($bad_specifier =~ /pA/) {
+						$use =  " - '%pA' is only intended to be used from Rust code";
+						$msg_level = \&ERROR;
 					}
 
-					WARN("VSPRINTF_POINTER_EXTENSION",
-					     "$ext_type vsprintf pointer extension '$bad_specifier'$use\n" . "$here\n$stat_real\n");
+					&{$msg_level}("VSPRINTF_POINTER_EXTENSION",
+						      "$ext_type vsprintf pointer extension '$bad_specifier'$use\n" . "$here\n$stat_real\n");
 				}
 			}
 		}