X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_io.c;h=8ed88d8e653729199e827b2347429297c1fd67d2;hb=b7093fd3602ef2c796a1f8a0daded9d6aad0b756;hp=3642c3a2815a996c36d325a4e9c04d23f73a3bec;hpb=f145a4fa721950a32a3b3019075206adf356b347;p=palacios.git

diff --git a/palacios/src/palacios/vmm_io.c b/palacios/src/palacios/vmm_io.c
index 3642c3a..8ed88d8 100644
--- a/palacios/src/palacios/vmm_io.c
+++ b/palacios/src/palacios/vmm_io.c
@@ -128,6 +128,12 @@ int v3_hook_io_port(struct v3_vm_info * vm, uint16_t port,
 		    void * priv_data) {
   struct v3_io_hook * io_hook = (struct v3_io_hook *)V3_Malloc(sizeof(struct v3_io_hook));
 
+  if (!io_hook) {
+      PrintError("Cannot allocate in hooking an I/O port\n");
+      return -1;
+  }
+
+
   io_hook->port = port;
 
   if (!read) {