Commit e871ea6b authored Feb 07, 2017 by Vineet Gupta Committed by Greg Kroah-Hartman Feb 14, 2017

ARC: [arcompact] brown paper bag bug in unaligned access delay slot fixup



commit a524c218bc94c705886a0e0fedeee45d1931da32 upstream.

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
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 6a1bd906

arch/arc/kernel/unaligned.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;