Richard Henderson writes:
> The err parameter is non-zero if and only if an error occured.
> Use this instead of ret == -1 for determining if we need to
> update the saved errno.
>
> This fixes the errno setting of SYS_ISTTY, which returns 0 on
> error, not -1.
>
> Signed-off-by: Richard Hender
The err parameter is non-zero if and only if an error occured.
Use this instead of ret == -1 for determining if we need to
update the saved errno.
This fixes the errno setting of SYS_ISTTY, which returns 0 on
error, not -1.
Signed-off-by: Richard Henderson
---
semihosting/arm-compat-semi.c | 2
