scsi: simplify scsi_free_sgtable()

[linux-2.6-omap-h63xx.git] / drivers / scsi / scsi_lib.c

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 960f949b8f8f4e67441db808de694317de146002..7e1dcc57f115e12e94b3943c47aa24c879e045d0 100644 (file)
--- 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