From: Mark Stapp <mjs@voltanet.io>
Date: Fri, 17 Apr 2020 20:53:37 +0000 (-0400)
Subject: lib: clear data pointer in bf_free
X-Git-Tag: base_7.4~67^2
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=193848fff6bc4ce978f531178f54d2b65ff8960f;p=mirror%2Ffrr.git

lib: clear data pointer in bf_free

Help avoid double-free by clearing data pointer.

Signed-off-by: Mark Stapp <mjs@voltanet.io>
---

diff --git a/lib/bitfield.h b/lib/bitfield.h
index eebfc049d9..2d98760df7 100644
--- a/lib/bitfield.h
+++ b/lib/bitfield.h
@@ -154,6 +154,7 @@ typedef unsigned int word_t;
 	do {                                                                   \
 		if ((v).data) {                                                \
 			free((v).data);                                        \
+			(v).data = NULL;                                       \
 		}                                                              \
 	} while (0)