[lvm-devel] master - dmfilemapd: always terminate link buffer after readlink(2) (coverity)

[Bryn Reeves]

Gitweb:        https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=7db51a6bed8704ec634b44b4c5bd1dc35fdae86b
Commit:        7db51a6bed8704ec634b44b4c5bd1dc35fdae86b
Parent:        70bb72667889a2d6f250437e5db247eb111ca1aa
Author:        Bryn M. Reeves <bmr at redhat.com>
AuthorDate:    Wed Mar 29 17:16:34 2017 +0100
Committer:     Bryn M. Reeves <bmr at redhat.com>
CommitterDate: Wed Mar 29 18:34:05 2017 +0100

dmfilemapd: always terminate link buffer after readlink(2) (coverity)

---
 daemons/dmfilemapd/dmfilemapd.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/daemons/dmfilemapd/dmfilemapd.c b/daemons/dmfilemapd/dmfilemapd.c
index 3fd76b7..6e25c5c 100644
--- a/daemons/dmfilemapd/dmfilemapd.c
+++ b/daemons/dmfilemapd/dmfilemapd.c
@@ -593,6 +593,7 @@ check_unlinked:
 			  getpid(), fm->fd);
 		return 0;
 	}
+	link_buf[len] = '\0';
 
 	/*
 	 * Try to re-open the file, from the path now reported in /proc/pid/fd.