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Use kzalloc in idedisk_prep_fn.

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Signed-off-by: Tao Ma <tao.ma@oracle.com>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Tao Ma
2010-08-19 12:02:21 +08:00
committed by Jiri Kosina
parent 415b54e37a
commit 08ff45ca60
1 changed files with 1 additions and 2 deletions
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3
drivers/ide/ide-disk.c
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@@ -435,12 +435,11 @@ static int idedisk_prep_fn(struct request_queue *q, struct request *rq)
if (!(rq->cmd_flags & REQ_FLUSH)) if (!(rq->cmd_flags & REQ_FLUSH))
return BLKPREP_OK; return BLKPREP_OK;
cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC); cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC);
/* FIXME: map struct ide_taskfile on rq->cmd[] */ /* FIXME: map struct ide_taskfile on rq->cmd[] */
BUG_ON(cmd == NULL); BUG_ON(cmd == NULL);
memset(cmd, 0, sizeof(*cmd));
if (ata_id_flush_ext_enabled(drive->id) && if (ata_id_flush_ext_enabled(drive->id) &&
(drive->capacity64 >= (1UL << 28))) (drive->capacity64 >= (1UL << 28)))
cmd->tf.command = ATA_CMD_FLUSH_EXT; cmd->tf.command = ATA_CMD_FLUSH_EXT;