[PATCH] fwts_log_plaintext: check for null pointer

[Colin King]

From: Colin Ian King <colin.king at canonical.com>

The pointer 'lines' can potentially be null, so check for this.

Signed-off-by: Colin Ian King <colin.king at canonical.com>
---
 src/lib/src/fwts_log_plaintext.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib/src/fwts_log_plaintext.c b/src/lib/src/fwts_log_plaintext.c
index 1151603e..a8cbfb53 100644
--- a/src/lib/src/fwts_log_plaintext.c
+++ b/src/lib/src/fwts_log_plaintext.c
@@ -130,6 +130,8 @@ static int fwts_log_print_plaintext(
 	else
 		lines = fwts_format_text(tmpbuf + header_len, log_file->line_width - header_len);
 
+	if (!lines)
+		return 0;
 	len = n;
 
 	fwts_list_foreach(item, lines) {
-- 
2.20.1