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usb: gadget: drop null test before destroy functions

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Remove unneeded NULL test.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@ expression x; @@
-if (x != NULL)
  \(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Julia Lawall 2015-09-13 14:15:09 +02:00 committed by Felipe Balbi
parent 9a9ce1dfae
commit 51b91b7e6c
4 changed files with 4 additions and 8 deletions
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3
drivers/usb/gadget/udc/bdc/bdc_core.c
View File

@ -324,8 +324,7 @@ static void bdc_mem_free(struct bdc *bdc)
bdc->scratchpad.buff, bdc->scratchpad.sp_dma);
/* Destroy the dma pools */
if (bdc->bd_table_pool)
dma_pool_destroy(bdc->bd_table_pool);
dma_pool_destroy(bdc->bd_table_pool);
/* Free the bdc_ep array */
kfree(bdc->bdc_ep_array);

3
drivers/usb/gadget/udc/gr_udc.c
View File

@ -2117,8 +2117,7 @@ static int gr_remove(struct platform_device *pdev)
return -EBUSY;
gr_dfs_delete(dev);
if (dev->desc_pool)
dma_pool_destroy(dev->desc_pool);
dma_pool_destroy(dev->desc_pool);
platform_set_drvdata(pdev, NULL);
gr_free_request(&dev->epi[0].ep, &dev->ep0reqi->req);

3
drivers/usb/gadget/udc/mv_u3d_core.c
View File

@ -1767,8 +1767,7 @@ static int mv_u3d_remove(struct platform_device *dev)
usb_del_gadget_udc(&u3d->gadget);
/* free memory allocated in probe */
if (u3d->trb_pool)
dma_pool_destroy(u3d->trb_pool);
dma_pool_destroy(u3d->trb_pool);
if (u3d->ep_context)
dma_free_coherent(&dev->dev, u3d->ep_context_size,

3
drivers/usb/gadget/udc/mv_udc_core.c
View File

@ -2100,8 +2100,7 @@ static int mv_udc_remove(struct platform_device *pdev)
}
/* free memory allocated in probe */
if (udc->dtd_pool)
dma_pool_destroy(udc->dtd_pool);
dma_pool_destroy(udc->dtd_pool);
if (udc->ep_dqh)
dma_free_coherent(&pdev->dev, udc->ep_dqh_size,