A NULL comparison can be written as if (var) or if (!var).
Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
---
drivers/usb/gadget/udc/amd5536udc.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/gadget/udc/amd5536udc.c b/drivers/usb/gadget/udc/amd5536udc.c
index 157bff1..cd87641 100644
--- a/drivers/usb/gadget/udc/amd5536udc.c
+++ b/drivers/usb/gadget/udc/amd5536udc.c
@@ -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;
--
1.9.1
--
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