kernel/module.c: removed dead code

This patch fixes an issue reported by Coverity in kernel/module.c

Error reported: Cannot reach this line of code "else return ptr;"

Patch description:
This is the error path, so 'err' will be negative, the else case is not required, this patch removes it.

---

 module.c |    3 +--
 1 files changed, 1 insertion(+), 2 deletions(-)

@@ -1853,8 +1853,7 @@
 	kfree(args);
  free_hdr:
 	vfree(hdr);
-	if (err < 0) return ERR_PTR(err);
-	else return ptr;
+	return ERR_PTR(err);
 
  truncated:
 	printk(KERN_ERR "Module len %lu truncated\n", len);