lavf/ftp: fix possible crash

11 years ago · f3ace37a3b
parent c4810fbe4f
commit f3ace37a3b
1 changed files with 2 additions and 1 deletions
--- a/libavformat/ftp.c
+++ b/libavformat/ftp.c
@ -128,7 +128,8 @@ static int ftp_status(FTPContext *s, char **line, const int response_codes[])

    while (!code_found || dash) {
        if ((err = ftp_get_line(s, buf, sizeof(buf))) < 0) {
-            av_bprint_finalize(&line_buffer, NULL);
+            if (line)
+                av_bprint_finalize(&line_buffer, NULL);
            return err;
        }