btrfs-progs: use strncpy in btrfs_scan_lblkid()

Use strncpy(... ,PATH_MAX) to be sure we don't overflow
the path[PATH_MAX] array.

Resolves-Coverity-CID: 1125941
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

diff --git a/utils.c b/utils.c
index 60d2c3a..47ba23b 100644 (file)
--- a/utils.c
+++ b/utils.c
@@ -1975,7 +1975,7 @@ int btrfs_scan_lblkid(int update_kernel)
                if (!dev)
                        continue;
                /* if we are here its definitly a btrfs disk*/
-               strcpy(path, blkid_dev_devname(dev));
+               strncpy(path, blkid_dev_devname(dev), PATH_MAX);
                if (test_skip_this_disk(path))
                        continue;