From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Jo-Philipp Wich <jo@mein.io>,
Vineet Gupta <Vineet.Gupta1@synopsys.com>,
<linux-kernel@vger.kernel.org>,
<linux-snps-arc@lists.infradead.org>, <stable@vger.kernel.org>
Subject: [PATCH] ARC: [arcompact] brown paper bag bug in unaligned access delay slot fixup
Date: Tue, 7 Feb 2017 09:44:58 -0800 [thread overview]
Message-ID: <1486489498-9221-1-git-send-email-vgupta@synopsys.com> (raw)
Reported-by: Jo-Philipp Wich <jo@mein.io>
Fixes: 9aed02feae57bf7 ("ARC: [arcompact] handle unaligned access delay slot")
Cc: linux-kernel@vger.kernel.org
Cc: linux-snps-arc@lists.infradead.org
Cc: stable@vger.kernel.org
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
---
arch/arc/kernel/unaligned.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arc/kernel/unaligned.c b/arch/arc/kernel/unaligned.c
index 91ebe382147f..5f69c3bd59bb 100644
--- a/arch/arc/kernel/unaligned.c
+++ b/arch/arc/kernel/unaligned.c
@@ -243,7 +243,7 @@ int misaligned_fixup(unsigned long address, struct pt_regs *regs,
/* clear any remanants of delay slot */
if (delay_mode(regs)) {
- regs->ret = regs->bta ~1U;
+ regs->ret = regs->bta & ~1U;
regs->status32 &= ~STATUS_DE_MASK;
} else {
regs->ret += state.instr_len;
--
2.7.4
reply other threads:[~2017-02-07 17:45 UTC|newest]
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