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authorVineet Gupta <Vineet.Gupta1@synopsys.com>2017-02-07 09:44:58 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-07 10:02:01 -0800
commita524c218bc94c705886a0e0fedeee45d1931da32 (patch)
tree8a2424f24f5521c9c37db40fa8d382d0fdb81ac5
parent8b1b41ee74f9712c355d66dc105bbea663ae0afd (diff)
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ARC: [arcompact] brown paper bag bug in unaligned access delay slot fixup
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> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/arc/kernel/unaligned.c2
1 files changed, 1 insertions, 1 deletions
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;