lavf/ftp: fix possible crash

f3ace37a · Lukasz Marek · c4810fbe · f3ace37a
Commit f3ace37a authored Aug 28, 2013 by Lukasz Marek
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ftp.c libavformat/ftp.c +2 -1

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--- 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;
        }