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scsi: simplify scsi_free_sgtable()

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Just pass in the command, no point in passing in the scatterlist
and scatterlist pool index seperately.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe
2007-10-16 11:12:37 +02:00
parent 4c2f6d4c28
commit 0cde8d9510
3 changed files with 8 additions and 7 deletions
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9
drivers/scsi/scsi_lib.c
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@@ -741,13 +741,14 @@ struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask)
EXPORT_SYMBOL(scsi_alloc_sgtable);
void scsi_free_sgtable(struct scatterlist *sgl, int index)
void scsi_free_sgtable(struct scsi_cmnd *cmd)
{
struct scatterlist *sgl = cmd->request_buffer;
struct scsi_host_sg_pool *sgp;
BUG_ON(index >= SG_MEMPOOL_NR);
BUG_ON(cmd->sglist_len >= SG_MEMPOOL_NR);
sgp = scsi_sg_pools + index;
sgp = scsi_sg_pools + cmd->sglist_len;
mempool_free(sgl, sgp->pool);
}
@@ -773,7 +774,7 @@ EXPORT_SYMBOL(scsi_free_sgtable);
static void scsi_release_buffers(struct scsi_cmnd *cmd)
{
if (cmd->use_sg)
scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len);
scsi_free_sgtable(cmd);
/*
* Zero these out. They now point to freed memory, and it is