s3:lib: avoid talloc_zero_array() in poll_one_fd()

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

1 files changed, 5 insertions, 14 deletions

diff --git a/source3/lib/util_sock.c b/source3/lib/util_sock.c
index a35ae97eba..12e4ccdcce 100644
--- a/source3/lib/util_sock.c
+++ b/source3/lib/util_sock.c
@@ -1490,27 +1490,18 @@ int getaddrinfo_recv(struct tevent_req *req, struct addrinfo **res)
 
 int poll_one_fd(int fd, int events, int timeout, int *revents)
 {
-	struct pollfd *fds;
+	struct pollfd pfd;
 	int ret;
-	int saved_errno;
 
-	fds = talloc_zero_array(talloc_tos(), struct pollfd, 1);
-	if (fds == NULL) {
-		errno = ENOMEM;
-		return -1;
-	}
-	fds[0].fd = fd;
-	fds[0].events = events;
+	pfd.fd = fd;
+	pfd.events = events;
 
-	ret = poll(fds, 1, timeout);
+	ret = poll(&pfd, 1, timeout);
 
 	/*
 	 * Assign whatever poll did, even in the ret<=0 case.
 	 */
-	*revents = fds[0].revents;
-	saved_errno = errno;
-	TALLOC_FREE(fds);
-	errno = saved_errno;
+	*revents = pfd.revents;
 
 	return ret;
 }