From: Max Filippov <jcmvbkbc@xxxxxxxxx>
commit c2d9aa3b6e56de56c7f1ed9026ca6ec7cfbeef19 upstream.
syscall return value is in the register a2, not a0.
Cc: stable@xxxxxxxxxxxxxxx # v5.0+
Fixes: 9f24f3c1067c ("xtensa: implement tracehook functions and enable HAVE_ARCH_TRACEHOOK")
Signed-off-by: Max Filippov <jcmvbkbc@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/xtensa/include/asm/syscall.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/xtensa/include/asm/syscall.h
+++ b/arch/xtensa/include/asm/syscall.h
@@ -51,7 +51,7 @@ static inline void syscall_set_return_va
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
