[Cbe-oss-dev] [PATCH 2/3] libspe2: Add missing error checks to spe_event_handler_register

[Kazunori Asayama]

This patch adds missing error checks to spe_event_handler_register in
libspe2.

Signed-off-by: Kazunori Asayama <asayama at sm.sony.co.jp>

---
 speevent/spe_event.c |   11 +++++++++++
 1 file changed, 11 insertions(+)

Index: b/speevent/spe_event.c
===================================================================
--- a/speevent/spe_event.c	2007-06-22 20:27:25.000000000 +0900
+++ b/speevent/spe_event.c	2007-06-22 20:27:41.000000000 +0900
@@ -42,6 +42,9 @@
 #define __SPE_EVENT_CONTEXT_PRIV_SET(spe, evctx) \
   ( (spe)->event_private = (evctx) )
 
+#define __SPE_EVENTS_ENABLED(spe) \
+  ((spe)->base_private->flags & SPE_EVENTS_ENABLE)
+
 
 void _event_spe_context_lock(spe_context_ptr_t spe)
 {
@@ -166,6 +169,10 @@ int _event_spe_event_handler_register(sp
     errno = EINVAL;
     return -1;
   }
+  if (!__SPE_EVENTS_ENABLED(event->spe)) {
+    errno = ENOTSUP;
+    return -1;
+  }
 
   epfd = __SPE_EPOLL_FD_GET(evhandler);
   evctx = __SPE_EVENT_CONTEXT_PRIV_GET(event->spe);
@@ -278,6 +285,10 @@ int _event_spe_event_handler_deregister(
     errno = EINVAL;
     return -1;
   }
+  if (!__SPE_EVENTS_ENABLED(event->spe)) {
+    errno = ENOTSUP;
+    return -1;
+  }
 
   epfd = __SPE_EPOLL_FD_GET(evhandler);
   evctx = __SPE_EVENT_CONTEXT_PRIV_GET(event->spe);