xtensa: fix syscall_set_return_value

syscall return value is in the register a2, not a0. Cc: [email protected] # v5.0+ Fixes: 9f24f3c ("xtensa: implement tracehook functions and enable HAVE_ARCH_TRACEHOOK") Signed-off-by: Max Filippov <[email protected]>
jbg · Nov 26, 2019 · c2d9aa3 · c2d9aa3
1 parent d80a505
commit c2d9aa3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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