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crypto: caam - remove unused local variable

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Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Cristian Stoica 2015-01-21 11:53:31 +02:00 committed by Herbert Xu
parent 35b82e5540
commit 467707b2b7
1 changed files with 1 additions and 5 deletions
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6
drivers/crypto/caam/ctrl.c
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@ -175,13 +175,10 @@ static int instantiate_rng(struct device *ctrldev, int state_handle_mask,
{ {
struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctrldev); struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctrldev);
struct caam_ctrl __iomem *ctrl; struct caam_ctrl __iomem *ctrl;
struct rng4tst __iomem *r4tst;
u32 *desc, status, rdsta_val; u32 *desc, status, rdsta_val;
int ret = 0, sh_idx; int ret = 0, sh_idx;
ctrl = (struct caam_ctrl __iomem *)ctrlpriv->ctrl; ctrl = (struct caam_ctrl __iomem *)ctrlpriv->ctrl;
r4tst = &ctrl->r4tst[0];
desc = kmalloc(CAAM_CMD_SZ * 7, GFP_KERNEL); desc = kmalloc(CAAM_CMD_SZ * 7, GFP_KERNEL);
if (!desc) if (!desc)
return -ENOMEM; return -ENOMEM;
@ -209,8 +206,7 @@ static int instantiate_rng(struct device *ctrldev, int state_handle_mask,
* without any error (HW optimizations for later * without any error (HW optimizations for later
* CAAM eras), then try again. * CAAM eras), then try again.
*/ */
rdsta_val = rdsta_val = rd_reg32(&ctrl->r4tst[0].rdsta) & RDSTA_IFMASK;
rd_reg32(&ctrl->r4tst[0].rdsta) & RDSTA_IFMASK;
if (status || !(rdsta_val & (1 << sh_idx))) if (status || !(rdsta_val & (1 << sh_idx)))
ret = -EAGAIN; ret = -EAGAIN;
if (ret) if (ret)