Merge commit 'upstream/master'

[pandora-kernel.git] / drivers / ide / ide-disk.c

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 5f49a4a..28d85b4 100644 (file)
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -56,23 +56,29 @@ static DEFINE_MUTEX(idedisk_ref_mutex);
 #define ide_disk_g(disk) \
        container_of((disk)->private_data, struct ide_disk_obj, driver)
 
+static void ide_disk_release(struct kref *);
+
 static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
 {
        struct ide_disk_obj *idkp = NULL;
 
        mutex_lock(&idedisk_ref_mutex);
        idkp = ide_disk_g(disk);
-       if (idkp)
+       if (idkp) {
                kref_get(&idkp->kref);
+               if (ide_device_get(idkp->drive)) {
+                       kref_put(&idkp->kref, ide_disk_release);
+                       idkp = NULL;
+               }
+       }
        mutex_unlock(&idedisk_ref_mutex);
        return idkp;
 }
 
-static void ide_disk_release(struct kref *);
-
 static void ide_disk_put(struct ide_disk_obj *idkp)
 {
        mutex_lock(&idedisk_ref_mutex);
+       ide_device_put(idkp->drive);
        kref_put(&idkp->kref, ide_disk_release);
        mutex_unlock(&idedisk_ref_mutex);
 }
@@ -158,7 +164,7 @@ static void ide_tf_set_cmd(ide_drive_t *drive, ide_task_t *task, u8 dma)
        write = (task->tf_flags & IDE_TFLAG_WRITE) ? 1 : 0;
 
        if (dma)
-               index = drive->vdma ? 4 : 8;
+               index = 8;
        else
                index = drive->mult_count ? 0 : 4;
 
@@ -985,7 +991,6 @@ static ide_driver_t idedisk_driver = {
        .do_request             = ide_do_rw_disk,
        .end_request            = ide_end_request,
        .error                  = __ide_error,
-       .abort                  = __ide_abort,
 #ifdef CONFIG_IDE_PROC_FS
        .proc                   = idedisk_proc,
 #endif