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-rw-r--r--kernel/trace/ftrace.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index eb57dc1ea097..d2b156538162 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1425,7 +1425,7 @@ ftrace_set_func(unsigned long *array, int idx, char *buffer)
1425 struct dyn_ftrace *rec; 1425 struct dyn_ftrace *rec;
1426 struct ftrace_page *pg; 1426 struct ftrace_page *pg;
1427 int found = 0; 1427 int found = 0;
1428 int i; 1428 int i, j;
1429 1429
1430 if (ftrace_disabled) 1430 if (ftrace_disabled)
1431 return -ENODEV; 1431 return -ENODEV;
@@ -1443,7 +1443,13 @@ ftrace_set_func(unsigned long *array, int idx, char *buffer)
1443 kallsyms_lookup(rec->ip, NULL, NULL, NULL, str); 1443 kallsyms_lookup(rec->ip, NULL, NULL, NULL, str);
1444 if (strcmp(str, buffer) == 0) { 1444 if (strcmp(str, buffer) == 0) {
1445 found = 1; 1445 found = 1;
1446 array[idx] = rec->ip; 1446 for (j = 0; j < idx; j++)
1447 if (array[j] == rec->ip) {
1448 found = 0;
1449 break;
1450 }
1451 if (found)
1452 array[idx] = rec->ip;
1447 break; 1453 break;
1448 } 1454 }
1449 } 1455 }