1 files changed, 3 insertions, 3 deletions

diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c
index 39eb27b47..7fe70fb72 100644
--- a/util-linux/fdisk.c
+++ b/util-linux/fdisk.c
@@ -2781,14 +2781,14 @@ is_ide_cdrom_or_tape(const char *device)
            the process hangs on the attempt to read a music CD.
            So try to be careful. This only works since 2.1.73. */
 
-        if (strncmp("/dev/hd", device, 7))
+        if (!is_prefixed_with(device, "/dev/hd"))
                 return 0;
 
         snprintf(buf, sizeof(buf), "/proc/ide/%s/media", device+5);
         procf = fopen_for_read(buf);
         if (procf != NULL && fgets(buf, sizeof(buf), procf))
-                is_ide = (!strncmp(buf, "cdrom", 5) ||
-                          !strncmp(buf, "tape", 4));
+                is_ide = (is_prefixed_with(buf, "cdrom") ||
+                          is_prefixed_with(buf, "tape"));
         else
                 /* Now when this proc file does not exist, skip the
                    device when it is read-only. */