block: Introduce default_process_op() with common command handling codes

Most disk drivers only implement a couple of the available bios
commands.  Unify the common fallback handling code into a new function
default_process_op() to reduce boiler-plate code.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 1 insertions, 6 deletions

diff --git a/src/cdrom.c b/src/cdrom.c
index ba02340..bf1d2a6 100644
--- a/src/cdrom.c
+++ b/src/cdrom.c
@@ -100,13 +100,8 @@ process_cdemu_op(struct disk_op_s *op)
     case CMD_WRITE:
     case CMD_FORMAT:
         return DISK_RET_EWRITEPROTECT;
-    case CMD_VERIFY:
-    case CMD_RESET:
-    case CMD_SEEK:
-    case CMD_ISREADY:
-        return DISK_RET_SUCCESS;
     default:
-        return DISK_RET_EPARAM;
+        return default_process_op(op);
     }
 }