From: Bartosz Golaszewski <bartekgola@gmail.com>
Date: Mon, 9 Jan 2017 15:23:05 +0000 (+0100)
Subject: core: move a call to memset() in gpiod_line_event_wait_bulk()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=92a603fcf56d90919900a2d003dc9517d6357232;p=qemu-gpiodev%2Flibgpiod.git

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 006e18b..0d36bdd 100644
--- 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];