core: move a call to memset() in gpiod_line_event_wait_bulk()

Check for error conditions first.

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>

diff --git a/core.c b/core.c
index 006e18bef204e29fb4ddbff6a9bdd01a2c63278f..0d36bdddc79afd03f14d82278841e57302ab81c9 100644 (file)
--- a/core.c
+++ b/core.c
@@ -659,13 +659,13 @@ int gpiod_line_event_wait_bulk(struct gpiod_line_bulk *bulk,
        unsigned int i;
        int status;
 
-       memset(fds, 0, sizeof(fds));
-
        if (!line_bulk_is_event_configured(bulk)) {
                set_last_error(GPIOD_EEVREQUEST);
                return -1;
        }
 
+       memset(fds, 0, sizeof(fds));
+
        for (i = 0; i < bulk->num_lines; i++) {
                line = bulk->lines[i];