libusbgx: Don't print errno when it has not been directly set

Replace ERRORNO() macro with ERROR(). Difference betwen
them is that ERRORNO() prints also standard error string
based on errno value. This variable should not be accessed
when called function doesn't directly set it.

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>

diff --git a/src/usbg.c b/src/usbg.c
index 6e0ce6f..7640dda 100644 (file)
--- a/src/usbg.c
+++ b/src/usbg.c
@@ -1291,7 +1291,7 @@ static int usbg_init_state(char *path, usbg_state *s)
 
        ret = usbg_parse_gadgets(path, s);
        if (ret != USBG_SUCCESS)
-               ERRORNO("unable to parse %s\n", path);
+               ERROR("unable to parse %s\n", path);
 
        return ret;
 }
@@ -1330,7 +1330,7 @@ int usbg_init(const char *configfs_path, usbg_state **state)
 
        ret = usbg_init_state(path, s);
        if (ret != USBG_SUCCESS) {
-               ERRORNO("couldn't init gadget state\n");
+               ERROR("couldn't init gadget state\n");
                usbg_free_state(s);
                goto out;
        }
@@ -2070,7 +2070,7 @@ int usbg_create_function(usbg_gadget *g, usbg_function_type type,
        *f = usbg_allocate_function(fpath, type, instance, g);
        func = *f;
        if (!func) {
-               ERRORNO("allocating function\n");
+               ERROR("allocating function\n");
                ret = USBG_ERROR_NO_MEM;
                goto out;
        }
@@ -2130,7 +2130,7 @@ int usbg_create_config(usbg_gadget *g, int id, const char *label,
        *c = usbg_allocate_config(cpath, label, id, g);
        conf = *c;
        if (!conf) {
-               ERRORNO("allocating configuration\n");
+               ERROR("allocating configuration\n");
                ret = USBG_ERROR_NO_MEM;
                goto out;
        }