env: correct sign for error code

Error codes should be negative.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

diff --git a/common/env_attr.c b/common/env_attr.c
index 5bfe5e3..3862190 100644 (file)
--- a/common/env_attr.c
+++ b/common/env_attr.c
@@ -153,7 +153,7 @@ static int regex_callback(const char *name, const char *attributes, void *priv)
                }
        } else {
                printf("Error compiling regex: %s\n", slre.err_str);
-               retval = EINVAL;
+               retval = -EINVAL;
        }
 done:
        return retval;