Fix read return value check

[log-plotter] / main.c

diff --git a/main.c b/main.c
index e116477dd5d77ba2d731dde0e404ea1f888ff435..6cfdd879d35692e9c5ccbcfa615ecb3dd249dc74 100644 (file)
--- a/main.c
+++ b/main.c
@@ -26,7 +26,7 @@ static int read_log_line(int infd, char *buf, size_t bufsize, int *offset)
        int i;
 
        ret = read(infd, buf + *offset, bufsize - *offset - 1);
-       if (read < 0) {
+       if (ret < 0) {
                pr_err("read: %m\n");
                return -1;
        }