From bae1e47136ef7a61aab20018fd54176076433e3a Mon Sep 17 00:00:00 2001 From: Max Filippov Date: Thu, 14 Nov 2019 15:05:40 -0800 Subject: [PATCH] xtensa: fix syscall_set_return_value commit c2d9aa3b6e56de56c7f1ed9026ca6ec7cfbeef19 upstream. syscall return value is in the register a2, not a0. Cc: stable@vger.kernel.org # v5.0+ Fixes: 9f24f3c1067c ("xtensa: implement tracehook functions and enable HAVE_ARCH_TRACEHOOK") Signed-off-by: Max Filippov Signed-off-by: Greg Kroah-Hartman --- arch/xtensa/include/asm/syscall.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/xtensa/include/asm/syscall.h b/arch/xtensa/include/asm/syscall.h index 359ab40..c90fb94 100644 --- a/arch/xtensa/include/asm/syscall.h +++ b/arch/xtensa/include/asm/syscall.h @@ -51,7 +51,7 @@ static inline void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, int error, long val) { - regs->areg[0] = (long) error ? error : val; + regs->areg[2] = (long) error ? error : val; } #define SYSCALL_MAX_ARGS 6 -- 2.7.4