From: Andre Noll <maan@systemlinux.org>
Date: Sat, 22 Sep 2007 11:34:12 +0000 (+0200)
Subject: Fix com_lsblob().
X-Git-Tag: v0.3.0~380
X-Git-Url: http://git.tue.mpg.de/?a=commitdiff_plain;h=ab6cab06766f86086b53f2720d566f7ddf70db4c;p=paraslash.git

Fix com_lsblob().

In case no output was produced, don't access output data and don't free it.
---

diff --git a/blob.c b/blob.c
index 55956450..c6b05b2b 100644
--- a/blob.c
+++ b/blob.c
@@ -138,9 +138,10 @@ static int com_lsblob(callback_function *f, int fd, int argc, char * const * con
 		return -E_BLOB_SYNTAX;
 	ret = send_option_arg_callback_request(&query, argc - i,
 		argv + i, f, &ls_output);
-	if (ret >= 0 && ls_output.data)
+	if (ret > 0) {
 		send_buffer(fd, (char *)ls_output.data);
-	free(ls_output.data);
+		free(ls_output.data);
+	}
 	return ret;
 }