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 <christophe.le...@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;
-- 
2.25.0

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