function_graph: Remove unnecessary initialization in ftrace_graph_ret_addr()

After the commit 29c1c24a2707 ("function_graph: Fix up ftrace_graph_ret_addr()")
ftrace_graph_ret_addr() doesn't need to initialize "int i" at the start.

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Puranjay Mohan <puranjay@kernel.org>
Link: https://lore.kernel.org/20240916175818.GA28944@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

diff --git a/kernel/trace/fgraph.c b/kernel/trace/fgraph.c
index 875aefe60a13b0ddd3ad1346ee2d11f1fd425300..27e523f01ed2aec51d6f2477693c97cbff74fcd6 100644 (file)
--- a/kernel/trace/fgraph.c
+++ b/kernel/trace/fgraph.c
@@ -930,7 +930,7 @@ unsigned long ftrace_graph_ret_addr(struct task_struct *task, int *idx,
 {
        struct ftrace_ret_stack *ret_stack;
        unsigned long return_handler = (unsigned long)dereference_kernel_function_descriptor(return_to_handler);
-       int i = task->curr_ret_stack;
+       int i;
 
        if (ret != return_handler)
                return ret;