Don't just unset FTP_PATH unilaterally, it might have been a timeout

in which case we should simply log in again.

1 files changed, 3 insertions, 5 deletions

diff --git a/release/sysinstall/ftp.c b/release/sysinstall/ftp.c
index 3814dc2..3b4b01d 100644
--- a/release/sysinstall/ftp.c
+++ b/release/sysinstall/ftp.c
@@ -190,19 +190,17 @@ mediaGetFTP(Device *dev, char *file, Boolean probe)
     while ((fp = ftpGet(OpenConn, try, 0)) == NULL) {
 	/* If a hard fail, try to "bounce" the ftp server to clear it */
 	if (ftpErrno(OpenConn) != 550) {
-	    char *cp = variable_get(VAR_FTP_PATH);
-
 	    dev->shutdown(dev);
-	    variable_unset(VAR_FTP_PATH);
+	    if (ftpErrno(OpenConn) != 421))	/* Timeout? */
+		variable_unset(VAR_FTP_PATH);
 	    /* If we can't re-initialize, just forget it */
 	    if (!dev->init(dev)) {
 		netDown(dev);
 		fclose(OpenConn);
 		OpenConn = NULL;
+		variable_unset(VAR_FTP_PATH);
 		return NULL;
 	    }
-	    else
-		variable_set2(VAR_FTP_PATH, cp);
 	}
 	else if (probe)
 	    return NULL;