RE: [PATCH 1/3] arm64: ptrace: Add is_syscall_success to handle compat
From: Mark Rutland
Sent: 16 April 2021 14:35
..
@@ -51,13 +48,7 @@ static inline void syscall_set_return_value(struct
task_struct *task,
struct pt_regs *regs,
int error, long val)
{
- if (error)
- val = error;
-
- if (is_compat_thread(task_thread_info(task)))
- val = lower_32_bits(val);
-
- regs->regs[0] = val;
+ regs->regs[0] = (long) error ? error : val;
= error ? (long)error : rval;
David
-
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