FAILED: patch "[PATCH] perf auxtrace: Fix address filter symbol name match for" failed to apply to 4.9-stable tree

The patch below does not apply to the 4.9-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

Possible dependencies:

cba04f3136b6 ("perf auxtrace: Fix address filter symbol name match for modules") e85e0e0ccc60 ("perf tools: Use kallsyms__is_function()")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From cba04f3136b658583adb191556f99d087589c1cc Mon Sep 17 00:00:00 2001
From: Adrian Hunter <[email protected]>
Date: Wed, 26 Oct 2022 10:27:36 +0300
Subject: [PATCH] perf auxtrace: Fix address filter symbol name match for
modules

For modules, names from kallsyms__parse() contain the module name which meant that module symbols did not match exactly by name.

Fix by matching the name string up to the separating tab character.

index 60d8beb662aa..46ada5ec3f9a 100644
@@ -2325,11 +2325,19 @@ struct sym_args {
 	bool		near;
 };
 
+static bool kern_sym_name_match(const char *kname, const char *name)
+{
+	size_t n = strlen(name);
+
+	return !strcmp(kname, name) ||
+	       (!strncmp(kname, name, n) && kname[n] == '\t');
+}
+
 static bool kern_sym_match(struct sym_args *args, const char *name, char type)
 {
 	/* A function with the same name, and global or the n'th found or any */
 	return kallsyms__is_function(type) &&
-	       !strcmp(name, args->name) &&
+	       kern_sym_name_match(name, args->name) &&
 	       ((args->global && isupper(type)) ||
 		(args->selected && ++(args->cnt) == args->idx) ||
 		(!args->global && !args->selected));