[PATCH 3.16 282/370] ARC: [arcompact] brown paper bag bug in unaligned access delay slot fixup
From: Ben Hutchings
Date: Fri Mar 10 2017 - 08:34:28 EST
3.16.42-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Vineet Gupta <Vineet.Gupta1@xxxxxxxxxxxx>
commit a524c218bc94c705886a0e0fedeee45d1931da32 upstream.
Reported-by: Jo-Philipp Wich <jo@xxxxxxx>
Fixes: 9aed02feae57bf7 ("ARC: [arcompact] handle unaligned access delay slot")
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-snps-arc@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
arch/arc/kernel/unaligned.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arc/kernel/unaligned.c
+++ b/arch/arc/kernel/unaligned.c
@@ -242,7 +242,7 @@ int misaligned_fixup(unsigned long addre
/* 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;