From: Ilya Leoshkevich <iii@linux.ibm.com>
Date: Wed, 9 Feb 2022 03:17:38 +0100
Subject: selftests/bpf: Use PT_REGS_SYSCALL_REGS in bpf_syscall_macro
Patch-mainline: v5.18-rc1
Git-commit: 3f928cab927c576f3385f3e828c53a95b2199f58
References: jsc#PED-1377

Ensure that PT_REGS_SYSCALL_REGS works correctly.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220209021745.2215452-4-iii@linux.ibm.com
Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
---
 tools/testing/selftests/bpf/progs/bpf_syscall_macro.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/testing/selftests/bpf/progs/bpf_syscall_macro.c
+++ b/tools/testing/selftests/bpf/progs/bpf_syscall_macro.c
@@ -33,7 +33,7 @@ int BPF_KPROBE(handle_sys_prctl)
 	if (pid != filter_pid)
 		return 0;
 
-	real_regs = (struct pt_regs *)PT_REGS_PARM1(ctx);
+	real_regs = PT_REGS_SYSCALL_REGS(ctx);
 
 	/* test for PT_REGS_PARM */