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[Xen-devel] [Patch 4/8] Netfront accelerator bug fixes



Ensure hooks set if accelerator loads before first network interface

Signed-off-by <kmansley@xxxxxxxxxxxxxx>

diff -r 7f386cf89345 drivers/xen/netfront/accel.c
--- a/drivers/xen/netfront/accel.c      Fri Oct 26 13:56:56 2007 +0100
+++ b/drivers/xen/netfront/accel.c      Fri Oct 26 13:58:14 2007 +0100
@@ -131,7 +131,8 @@ static void add_accelerator_vif(struct n
  * Initialise the state to track an accelerator plugin module.
  */ 
 static int init_accelerator(const char *frontend, 
-                           struct netfront_accelerator **result)
+                           struct netfront_accelerator **result,
+                           struct netfront_accel_hooks *hooks)
 {
        struct netfront_accelerator *accelerator = 
                kmalloc(sizeof(struct netfront_accelerator), GFP_KERNEL);
@@ -154,7 +155,7 @@ static int init_accelerator(const char *
        INIT_LIST_HEAD(&accelerator->vif_states);
        spin_lock_init(&accelerator->vif_states_lock);
 
-       accelerator->hooks = NULL;
+       accelerator->hooks = hooks;
 
        accelerator->ready_for_probe = 1;
        accelerator->need_probe = NULL;
@@ -278,7 +279,7 @@ int netfront_load_accelerator(struct net
        }
 
        /* Couldn't find it, so create a new one and load the module */
-       if ((rc = init_accelerator(frontend, &accelerator)) < 0) {
+       if ((rc = init_accelerator(frontend, &accelerator, NULL)) < 0) {
                spin_unlock_irqrestore(&accelerators_lock, flags);
                return rc;
        }
@@ -450,7 +451,7 @@ int netfront_accelerator_loaded(int vers
        DPRINTK("Couldn't find matching accelerator (%s)\n",
                frontend);
 
-       init_accelerator(frontend, &accelerator);
+       init_accelerator(frontend, &accelerator, hooks);
 
        spin_unlock_irqrestore(&accelerators_lock, flags);
 

Attachment: accel_initialise_hooks
Description: Text document

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