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xtensa: fix syscall_set_return_value 

syscall return value is in the register a2, not a0.

Cc: stable@vger.kernel.org # v5.0+
Fixes: 9f24f3c106 ("xtensa: implement tracehook functions and enable HAVE_ARCH_TRACEHOOK")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2019-11-14 15:05:40 -08:00
parent d80a505348
commit c2d9aa3b6e
1 changed files with 1 additions and 1 deletions
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2
arch/xtensa/include/asm/syscall.h
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@ -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