1 files changed, 7 insertions, 5 deletions
diff --git a/backend/ibm.c b/backend/ibm.c
index 729c140..3ab7890 100644
--- a/backend/ibm.c
+++ b/backend/ibm.c
@@ -248,11 +248,13 @@ attach (const char *devnam, Ibm_Device ** devp)
 
   dev->sane.name = strdup (devnam);
   dev->sane.vendor = "IBM";
-  str = malloc (16 + 1);
-  memset (str, 0, sizeof (str));
-  strncpy (str, (char *)ibuf.product, sizeof(ibuf.product));
-  strncpy (str + sizeof(ibuf.revision), (char *)ibuf.revision, sizeof(ibuf.revision));
-  str[sizeof(ibuf.product) + sizeof(ibuf.revision)] = '\0';
+  str = malloc (sizeof(ibuf.product) + sizeof(ibuf.revision) + 1);
+  if (str)
+    {
+      str[0] = '\0';
+      strncat (str, (char *)ibuf.product, sizeof(ibuf.product));
+      strncat (str, (char *)ibuf.revision, sizeof(ibuf.revision));
+    }
   dev->sane.model = str;
   dev->sane.type = "flatbed scanner";