gpiosim: fix error reporting in gpiosim_bank_hog_line()

We don't return errno numbers from public functions - we set errno and
indicate an error by returning -1 or NULL depending on the function
signature. Make gpiosim_bank_hog_line() consistent with that behavior.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/tests/gpiosim/gpiosim.c b/tests/gpiosim/gpiosim.c
index f5e910eb28ccc1edd029ded1a473a783b8967ea3..f46adfa741979fa4c474e193da54fc8f9a57720f 100644 (file)
--- a/tests/gpiosim/gpiosim.c
+++ b/tests/gpiosim/gpiosim.c
@@ -1058,7 +1058,8 @@ GPIOSIM_API int gpiosim_bank_hog_line(struct gpiosim_bank *bank,
                dir = "output-low";
                break;
        default:
-               return -EINVAL;
+               errno = EINVAL;
+               return -1;
        }
 
        if (!dev_check_pending(bank->dev))