From 3fcfb5d1bf731bdbd847c29df57a5372d8ea58d3 Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Tue, 18 Aug 2020 17:19:19 +0000 Subject: [PATCH] powerpc/signal: Remove BUG_ON() in handler_signal functions There is already the same BUG_ON() check in do_signal() which is the only caller of handle_rt_signal64() handle_rt_signal32() and handle_signal32(). Remove those three redundant BUG_ON(). Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/3582e10a341d523c9c3f1ac925c3aaefc9d9293d.1597770847.git.christophe.leroy@csgroup.eu --- arch/powerpc/kernel/signal_32.c | 4 ---- arch/powerpc/kernel/signal_64.c | 2 -- 2 files changed, 6 deletions(-) diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 7b291707eb31..8cbc9ac1343d 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -764,8 +764,6 @@ int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset, unsigned long msr = regs->msr; #endif - BUG_ON(tsk != current); - /* Set up Signal Frame */ /* Put a Real Time Context onto stack */ rt_sf = get_sigframe(ksig, get_tm_stackpointer(tsk), sizeof(*rt_sf), 1); @@ -1227,8 +1225,6 @@ int handle_signal32(struct ksignal *ksig, sigset_t *oldset, unsigned long msr = regs->msr; #endif - BUG_ON(tsk != current); - /* Set up Signal Frame */ frame = get_sigframe(ksig, get_tm_stackpointer(tsk), sizeof(*frame), 1); if (unlikely(frame == NULL)) diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index bfc939360bad..cae612bdde5f 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -822,8 +822,6 @@ int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, unsigned long msr = regs->msr; #endif - BUG_ON(tsk != current); - frame = get_sigframe(ksig, get_tm_stackpointer(tsk), sizeof(*frame), 0); if (unlikely(frame == NULL)) goto badframe; -- 2.11.0