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Diffstat (limited to 'kernel/trace/trace_kprobe.c')
-rw-r--r--kernel/trace/trace_kprobe.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index a34a4fcdab7b..e3993d19687d 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -714,14 +714,31 @@ static int count_symbols(void *data, unsigned long unused)
return 0;
}
+struct sym_count_ctx {
+ unsigned int count;
+ const char *name;
+};
+
+static int count_mod_symbols(void *data, const char *name,
+ struct module *module, unsigned long unused)
+{
+ struct sym_count_ctx *ctx = data;
+
+ if (strcmp(name, ctx->name) == 0)
+ ctx->count++;
+
+ return 0;
+}
+
static unsigned int number_of_same_symbols(char *func_name)
{
- unsigned int count;
+ struct sym_count_ctx ctx = { .count = 0, .name = func_name };
+
+ kallsyms_on_each_match_symbol(count_symbols, func_name, &ctx.count);
- count = 0;
- kallsyms_on_each_match_symbol(count_symbols, func_name, &count);
+ module_kallsyms_on_each_symbol(count_mod_symbols, &ctx);
- return count;
+ return ctx.count;
}
static int __trace_kprobe_create(int argc, const char *argv[])