powerpc/xmon: symbol lookup length fixed

Currently this cannot lookup symbol beyond 64 characters in some cases
like "ls", "lp" and "t"

Fix this by using KSYM_NAME_LEN instead of fixed 64 characters

Signed-off-by: Mukesh Kumar Chaurasiya <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>
Link: https://patch.msgid.link/[e-mail]

arch/powerpc/xmon/xmon.c

···
 	int type = inchar();
 	unsigned long addr, cpu;
 	void __percpu *ptr = NULL;
-	static char tmp[64];
+	static char tmp[KSYM_NAME_LEN];
 
 	switch (type) {
 	case 'a':
···
 		termch = 0;
 		break;
 	case 's':
-		getstring(tmp, 64);
+		getstring(tmp, KSYM_NAME_LEN);
 		if (setjmp(bus_error_jmp) == 0) {
 			catch_memory_errors = 1;
 			sync();
···
 		termch = 0;
 		break;
 	case 'p':
-		getstring(tmp, 64);
+		getstring(tmp, KSYM_NAME_LEN);
 		if (setjmp(bus_error_jmp) == 0) {
 			catch_memory_errors = 1;
 			sync();