Discard too short log lines

Some times the serial output contains incorrect entries, typically in
the beginning of log acquicition. Discard them so that they don't
clutter the log output.

Signed-off-by: Timo Kokkonen <timo.t.kokkonen@iki.fi>

diff --git a/main.c b/main.c
index 776f81ee5036bb054f3ff6e732ac9c6d93ecd86e..8e145218aa4e463c88e5ecbf33914cae58c93655 100644 (file)
--- a/main.c
+++ b/main.c
@@ -110,6 +110,12 @@ static int read_data(int infd, int outfd)
                if (ret == 0)
                        continue;
 
+               if (strlen(buf) < 5) {
+                       pr_debug("discarding truncated log entry\n");
+                       offset = 0;
+                       continue;
+               }
+
                cur_time = time(NULL);
 
                pr_info("%s\n", buf);