ath6kl: propagate errors on hifEnableFunc() failures

This will be passed along to the SDIO probe routine when
it fails. This will generate better error code to the user
when loading the module if it fails.

Cc: Naveen Singh <nsingh@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/ath6kl/hif/sdio/linux_sdio/src/hif.c

@@ -1012,7 +1012,7 @@ static int hifEnableFunc(struct hif_device *device, struct sdio_func *func)
             if (ret) {
                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("AR6000: failed to enable 4-bit ASYNC IRQ mode %d \n",ret));
                 sdio_release_host(func);
-                return A_ERROR;
+                return ret;
             }
             AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: 4-bit ASYNC IRQ mode enabled\n"));
         }
@@ -1023,14 +1023,14 @@ static int hifEnableFunc(struct hif_device *device, struct sdio_func *func)
             AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, ("AR6000: %s(), Unable to enable AR6K: 0x%X\n",
 					  __FUNCTION__, ret));
             sdio_release_host(func);
-            return A_ERROR;
+            return ret;
         }
         ret = sdio_set_block_size(func, HIF_MBOX_BLOCK_SIZE);
         sdio_release_host(func);
         if (ret) {
             AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, ("AR6000: %s(), Unable to set block size 0x%x  AR6K: 0x%X\n",
 					  __FUNCTION__, HIF_MBOX_BLOCK_SIZE, ret));
-            return A_ERROR;
+            return ret;
         }
         device->is_disabled = false;
         /* create async I/O thread */
@@ -1041,7 +1041,7 @@ static int hifEnableFunc(struct hif_device *device, struct sdio_func *func)
                                            "AR6K Async");
            if (IS_ERR(device->async_task)) {
                AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, ("AR6000: %s(), to create async task\n", __FUNCTION__));
-                return A_ERROR;
+                return -ENOMEM;
            }
            AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: start async task\n"));
            wake_up_process(device->async_task );    
@@ -1056,14 +1056,14 @@ static int hifEnableFunc(struct hif_device *device, struct sdio_func *func)
     } else {
         taskFunc = enable_task;
         taskName = "AR6K enable";
-        ret = A_PENDING;
+        ret = -ENOMEM;
 #endif /* CONFIG_PM */
     }
     /* create resume thread */
     pTask = kthread_create(taskFunc, (void *)device, taskName);
     if (IS_ERR(pTask)) {
         AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, ("AR6000: %s(), to create enabel task\n", __FUNCTION__));
-        return A_ERROR;
+        return -ENOMEM;
     }
     wake_up_process(pTask);
     AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: -hifEnableFunc\n"));