Introduce loop_read_exact helper

[elogind.git] / src / shared / logs-show.c

diff --git a/src/shared/logs-show.c b/src/shared/logs-show.c
index 944d6856cd8315a785d39817a093a13d8c71c4cf..d3ee1398806223c594457fcbc1baa1f9e6a05a3d 100644 (file)
--- a/src/shared/logs-show.c
+++ b/src/shared/logs-show.c
@@ -1163,9 +1163,9 @@ static int get_boot_id_for_machine(const char *machine, sd_id128_t *boot_id) {
                 if (fd < 0)
                         _exit(EXIT_FAILURE);
 
-                k = loop_read(fd, buf, 36, false);
+                r = loop_read_exact(fd, buf, 36, false);
                 safe_close(fd);
-                if (k != 36)
+                if (k < 0)
                         _exit(EXIT_FAILURE);
 
                 k = send(pair[1], buf, 36, MSG_NOSIGNAL);