From: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Date: Wed, 3 Aug 2016 18:14:33 +0000 (-0400)
Subject: Fix: zero-initialize fd_set
X-Git-Tag: v2.9.0-rc1~70
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=e593ee026ebb70c2d0b1e789c9bb135748879a00;p=lttng-tools.git

Fix: zero-initialize fd_set

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/tests/regression/kernel/select_poll_epoll.c b/tests/regression/kernel/select_poll_epoll.c
index 20988a370..dfb52370b 100644
--- a/tests/regression/kernel/select_poll_epoll.c
+++ b/tests/regression/kernel/select_poll_epoll.c
@@ -442,7 +442,7 @@ void ppoll_fds_ulong_max(void)
  */
 void pselect_fd_too_big(void)
 {
-	long rfds[2048 / (sizeof(long) * CHAR_BIT)];
+	long rfds[2048 / (sizeof(long) * CHAR_BIT)] = { 0 };
 	int ret;
 	int fd2;
 	char buf[BUF_SIZE];
@@ -456,7 +456,7 @@ void pselect_fd_too_big(void)
 		perror("dup2");
 		return;
 	}
-	FD_ZERO((fd_set *) &rfds);
+
 	FD_SET(fd2, (fd_set *) &rfds);
 	ret = syscall(SYS_pselect6, fd2 + 1, &rfds, NULL, NULL, NULL, NULL);