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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: Li zeming <zeming@nfschina.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
This commit is contained in:
Li zeming 2023-07-05 03:43:59 +08:00 committed by Masami Hiramatsu (Google)
parent 5f0c584daf
commit e1164787f2
1 changed files with 1 additions and 1 deletions
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2
kernel/kprobes.c
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@ -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. */