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usb: gadget: amd5536udc: NULL comparison 

A NULL comparison can be written as if (var) or if (!var).

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Sudip Mukherjee 2015-09-22 18:54:37 +05:30 committed by Felipe Balbi
parent 5d31a17b38
commit 1b70150834
1 changed files with 4 additions and 4 deletions
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8
drivers/usb/gadget/udc/amd5536udc.c
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@ -2185,7 +2185,7 @@ static irqreturn_t udc_data_out_isr(struct udc *dev, int ep_ix)
}
/* DMA */
} else if (!ep->cancel_transfer && req != NULL) {
} else if (!ep->cancel_transfer && req) {
ret_val = IRQ_HANDLED;
/* check for DMA done */
@ -3189,7 +3189,7 @@ static int init_dma_pools(struct udc *dev)
/* setup */
td_stp = dma_pool_alloc(dev->stp_requests, GFP_KERNEL,
&dev->ep[UDC_EP0OUT_IX].td_stp_dma);
if (td_stp == NULL) {
if (!td_stp) {
retval = -ENOMEM;
goto err_alloc_dma;
}
@ -3198,7 +3198,7 @@ static int init_dma_pools(struct udc *dev)
/* data: 0 packets !? */
td_data = dma_pool_alloc(dev->stp_requests, GFP_KERNEL,
&dev->ep[UDC_EP0OUT_IX].td_phys);
if (td_data == NULL) {
if (!td_data) {
retval = -ENOMEM;
goto err_alloc_phys;
}
@ -3322,7 +3322,7 @@ static int udc_pci_probe(
}
dev->virt_addr = ioremap_nocache(resource, len);
if (dev->virt_addr == NULL) {
if (!dev->virt_addr) {
dev_dbg(&pdev->dev, "start address cannot be mapped\n");
retval = -EFAULT;
goto err_ioremap;