Thread (2 messages) 2 messages, 2 authors, 2021-03-31

[PATCH] powerpc/ptrace: Remove duplicate check from pt_regs_check()

STALE2013d LANDED

From: Denis Efremov <efremov@linux.com>
Date: 2021-03-05 09:31:31
Also in: lkml
Subsystem: linux for powerpc (32-bit and 64-bit), ptrace support, the rest · Maintainers: Madhavan Srinivasan, Oleg Nesterov, Linus Torvalds

Landed in mainline as 0b71b3724178 on 2021-03-24.

"offsetof(struct pt_regs, msr) == offsetof(struct user_pt_regs, msr)"
checked in pt_regs_check() twice in a row. Remove the second check.

Signed-off-by: Denis Efremov <efremov@linux.com>
---
 arch/powerpc/kernel/ptrace/ptrace.c | 2 --
 1 file changed, 2 deletions(-)
diff --git a/arch/powerpc/kernel/ptrace/ptrace.c b/arch/powerpc/kernel/ptrace/ptrace.c
index 4f3d4ff3728c..51801777906c 100644
--- a/arch/powerpc/kernel/ptrace/ptrace.c
+++ b/arch/powerpc/kernel/ptrace/ptrace.c
@@ -354,8 +354,6 @@ void __init pt_regs_check(void)
 		     offsetof(struct user_pt_regs, nip));
 	BUILD_BUG_ON(offsetof(struct pt_regs, msr) !=
 		     offsetof(struct user_pt_regs, msr));
-	BUILD_BUG_ON(offsetof(struct pt_regs, msr) !=
-		     offsetof(struct user_pt_regs, msr));
 	BUILD_BUG_ON(offsetof(struct pt_regs, orig_gpr3) !=
 		     offsetof(struct user_pt_regs, orig_gpr3));
 	BUILD_BUG_ON(offsetof(struct pt_regs, ctr) !=
-- 
2.26.2
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