Commit e1164787 authored by Li zeming's avatar Li zeming Committed by Masami Hiramatsu (Google)
Browse files

kprobes: Remove unnecessary ‘NULL’ values from correct_ret_addr 

The 'correct_ret_addr' pointer is always set in the later code, no need
to initialize it at definition time.

Link: https://lore.kernel.org/all/20230704194359.3124-1-zeming@nfschina.com/



Signed-off-by: default avatarLi zeming <zeming@nfschina.com>
Acked-by: default avatarMasami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: default avatarMasami Hiramatsu (Google) <mhiramat@kernel.org>
parent 5f0c584d

kernel/kprobes.c

+1 −1
Original line number Diff line number Diff line
@@ -2007,9 +2007,9 @@ void __weak arch_kretprobe_fixup_return(struct pt_regs *regs, 
unsigned long __kretprobe_trampoline_handler(struct pt_regs *regs,

					     void *frame_pointer)

{

	kprobe_opcode_t *correct_ret_addr = NULL;

	struct kretprobe_instance *ri = NULL;

	struct llist_node *first, *node = NULL;

	kprobe_opcode_t *correct_ret_addr;

	struct kretprobe *rp;



	/* Find correct address and all nodes for this frame. */