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| author | Jens Axboe <jens.axboe@oracle.com> | 2007-10-16 11:12:37 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-16 11:12:37 +0200 |
| commit | 0cde8d9510e242c73b2d68f9949cd3c456c863b4 (patch) | |
| tree | 12f2b2fb9de0db6b9293214fcbd790965195fd38 /drivers/scsi/scsi_lib.c | |
| parent | use sg helper function in DMA mapping documentation (diff) | |
| download | linux-0cde8d9510e242c73b2d68f9949cd3c456c863b4.tar.xz linux-0cde8d9510e242c73b2d68f9949cd3c456c863b4.zip | |
scsi: simplify scsi_free_sgtable()
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>
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 960f949b8f8f..7e1dcc57f115 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -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 |