[PATCH] linux: Use long int for syscall return value

[Adhemerval Zanella Netto]

On 29/11/22 08:24, XingLi wrote:
> From: Xing Li <lixing@loongson.cn>
> 
> The linux syscall ABI returns long, so the generic syscall code for
> linux should use long for the return value.
> 
> This fixes the truncation of the return value of the syscall function
> when that does not fit into an int.
> ---
>  sysdeps/unix/sysv/linux/syscall.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sysdeps/unix/sysv/linux/syscall.c b/sysdeps/unix/sysv/linux/syscall.c
> index 7303ba7188..8cb0b66b1c 100644
> --- a/sysdeps/unix/sysv/linux/syscall.c
> +++ b/sysdeps/unix/sysv/linux/syscall.c
> @@ -33,7 +33,7 @@ syscall (long int number, ...)
>    long int a5 = va_arg (args, long int);
>    va_end (args);
>  
> -  int r = INTERNAL_SYSCALL_NCS_CALL (number, a0, a1, a2, a3, a4, a5);
> +  long int r = INTERNAL_SYSCALL_NCS_CALL (number, a0, a1, a2, a3, a4, a5);
>    if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (r)))
>      {
>        __set_errno (-r);

LGTM, thanks.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>