git: 77e83935b7ef - main - tftpd: Don't forget to close stderr on startup.

The branch main has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=77e83935b7efb0d881fdb77117eb992e807ed9d7

commit 77e83935b7efb0d881fdb77117eb992e807ed9d7
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2023-03-10 13:24:50 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2023-03-10 13:25:16 +0000

    tftpd: Don't forget to close stderr on startup.
    
    Just like stdin and stdout, stderr is a copy of the listen socket inherited from inetd.  We need to close it so inetd can process further requests, be restarted, etc.
    
    Sponsored by:   Klara, Inc.
    Reviewed by:    markj
    Differential Revision:  https://reviews.freebsd.org/D38968
---
 libexec/tftpd/tftpd.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libexec/tftpd/tftpd.c b/libexec/tftpd/tftpd.c
index 8e3d2e13f320..b25e8b0c762f 100644
--- a/libexec/tftpd/tftpd.c
+++ b/libexec/tftpd/tftpd.c
@@ -381,8 +381,9 @@ main(int argc, char *argv[])
 		me_sock.ss_family = peer_sock.ss_family;
 		me_sock.ss_len = peer_sock.ss_len;
 	}
-	close(0);
-	close(1);
+	close(STDIN_FILENO);
+	close(STDOUT_FILENO);
+	close(STDERR_FILENO);
 	peer = socket(peer_sock.ss_family, SOCK_DGRAM, 0);
 	if (peer < 0) {
 		tftp_log(LOG_ERR, "socket: %s", strerror(errno));