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 <mchauras@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://patch.msgid.link/20241024191232.1570894-2-mchauras@linux.ibm.com

diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index e6cddbb..22b8b5c 100644 (file)
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -3662,7 +3662,7 @@ symbol_lookup(void)
        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':
@@ -3671,7 +3671,7 @@ symbol_lookup(void)
                termch = 0;
                break;
        case 's':
-               getstring(tmp, 64);
+               getstring(tmp, KSYM_NAME_LEN);
                if (setjmp(bus_error_jmp) == 0) {
                        catch_memory_errors = 1;
                        sync();
@@ -3686,7 +3686,7 @@ symbol_lookup(void)
                termch = 0;
                break;
        case 'p':
-               getstring(tmp, 64);
+               getstring(tmp, KSYM_NAME_LEN);
                if (setjmp(bus_error_jmp) == 0) {
                        catch_memory_errors = 1;
                        sync();