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Date: Fri, 4 Sep 2015 13:48:22 +0530
From: Ravi Teja Darbha <ravi2j@...il.com>
To: gregkh@...uxfoundation.org
Cc: hamohammed.sa@...il.com, balbi@...com, vinc94@...il.com,
hgujulan@...teon.com, roberta.dobrescu@...il.com,
tapaswenipathak@...il.com, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] staging: emxx_udc: Fix NULL comparison style
Fixed NULL comparison style as suggested by checkpatch.pl
Signed-off-by: Ravi Teja Darbha <ravi2j@...il.com>
---
drivers/staging/emxx_udc/emxx_udc.c | 62 ++++++++++++++++++-------------------
1 file changed, 31 insertions(+), 31 deletions(-)
diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c
index d57a9ab..8cef08d 100644
--- a/drivers/staging/emxx_udc/emxx_udc.c
+++ b/drivers/staging/emxx_udc/emxx_udc.c
@@ -108,7 +108,7 @@ static void _nbu2ss_dump_register(struct nbu2ss_udc *udc)
pr_info("=== %s()\n", __func__);
- if (udc == NULL) {
+ if (!udc) {
pr_err("%s udc == NULL\n", __func__);
return;
}
@@ -149,7 +149,7 @@ static void _nbu2ss_ep0_complete(struct usb_ep *_ep, struct usb_request *_req)
struct usb_ctrlrequest *p_ctrl;
struct nbu2ss_udc *udc;
- if ((_ep == NULL) || (_req == NULL))
+ if ((!_ep) || (!_req))
return;
udc = (struct nbu2ss_udc *)_req->context;
@@ -1294,7 +1294,7 @@ static void _nbu2ss_restert_transfer(struct nbu2ss_ep *ep)
else
req = list_entry(ep->queue.next, struct nbu2ss_req, queue);
- if (req == NULL)
+ if (!req)
return;
if (ep->epnum > 0) {
@@ -1700,7 +1700,7 @@ static int std_req_set_configuration(struct nbu2ss_udc *udc)
/*-------------------------------------------------------------------------*/
static inline void _nbu2ss_read_request_data(struct nbu2ss_udc *udc, u32 *pdata)
{
- if ((udc == NULL) && (pdata == NULL))
+ if ((!udc) && (!pdata))
return;
*pdata = _nbu2ss_readl(&udc->p_regs->SETUP_DATA0);
@@ -1793,7 +1793,7 @@ static inline int _nbu2ss_ep0_in_data_stage(struct nbu2ss_udc *udc)
else
req = list_entry(ep->queue.next, struct nbu2ss_req, queue);
- if (req == NULL)
+ if (!req)
req = &udc->ep0_req;
req->req.actual += req->div_len;
@@ -1820,7 +1820,7 @@ static inline int _nbu2ss_ep0_out_data_stage(struct nbu2ss_udc *udc)
else
req = list_entry(ep->queue.next, struct nbu2ss_req, queue);
- if (req == NULL)
+ if (!req)
req = &udc->ep0_req;
nret = _nbu2ss_ep0_out_transfer(udc, ep, req);
@@ -1847,7 +1847,7 @@ static inline int _nbu2ss_ep0_status_stage(struct nbu2ss_udc *udc)
else
req = list_entry(ep->queue.next, struct nbu2ss_req, queue);
- if (req == NULL) {
+ if (!req) {
req = &udc->ep0_req;
if (req->req.complete)
req->req.complete(&ep->ep, &req->req);
@@ -2154,7 +2154,7 @@ static inline void _nbu2ss_epn_int(struct nbu2ss_udc *udc, u32 epnum)
else
req = list_entry(ep->queue.next, struct nbu2ss_req, queue);
- if (req == NULL) {
+ if (!req) {
/* pr_warn("=== %s(%d) req == NULL\n", __func__, epnum); */
return;
}
@@ -2559,13 +2559,13 @@ static int nbu2ss_ep_enable(
struct nbu2ss_ep *ep;
struct nbu2ss_udc *udc;
- if ((_ep == NULL) || (desc == NULL)) {
+ if ((!_ep) || (!desc)) {
pr_err(" *** %s, bad param\n", __func__);
return -EINVAL;
}
ep = container_of(_ep, struct nbu2ss_ep, ep);
- if ((ep == NULL) || (ep->udc == NULL)) {
+ if ((!ep) || (!ep->udc)) {
pr_err(" *** %s, ep == NULL !!\n", __func__);
return -EINVAL;
}
@@ -2582,7 +2582,7 @@ static int nbu2ss_ep_enable(
if (udc->vbus_active == 0)
return -ESHUTDOWN;
- if ((udc->driver == NULL)
+ if ((!udc->driver)
|| (udc->gadget.speed == USB_SPEED_UNKNOWN)) {
dev_err(ep->udc->dev, " *** %s, udc !!\n", __func__);
@@ -2619,13 +2619,13 @@ static int nbu2ss_ep_disable(struct usb_ep *_ep)
struct nbu2ss_udc *udc;
unsigned long flags;
- if (_ep == NULL) {
+ if (!_ep) {
pr_err(" *** %s, bad param\n", __func__);
return -EINVAL;
}
ep = container_of(_ep, struct nbu2ss_ep, ep);
- if ((ep == NULL) || (ep->udc == NULL)) {
+ if ((!ep) || (!ep->udc)) {
pr_err("udc: *** %s, ep == NULL !!\n", __func__);
return -EINVAL;
}
@@ -2667,7 +2667,7 @@ static void nbu2ss_ep_free_request(
{
struct nbu2ss_req *req;
- if (_req != NULL) {
+ if (_req) {
req = container_of(_req, struct nbu2ss_req, req);
kfree(req);
@@ -2688,11 +2688,11 @@ static int nbu2ss_ep_queue(
int result = -EINVAL;
/* catch various bogus parameters */
- if ((_ep == NULL) || (_req == NULL)) {
- if (_ep == NULL)
+ if ((!_ep) || (!_req)) {
+ if (!_ep)
pr_err("udc: %s --- _ep == NULL\n", __func__);
- if (_req == NULL)
+ if (!_req)
pr_err("udc: %s --- _req == NULL\n", __func__);
return -EINVAL;
@@ -2738,7 +2738,7 @@ static int nbu2ss_ep_queue(
req->unaligned = FALSE;
if (req->unaligned) {
- if (ep->virt_buf == NULL)
+ if (!ep->virt_buf)
ep->virt_buf = (u8 *)dma_alloc_coherent(
NULL, PAGE_SIZE,
&ep->phys_buf, GFP_ATOMIC | GFP_DMA);
@@ -2794,7 +2794,7 @@ static int nbu2ss_ep_dequeue(
unsigned long flags;
/* catch various bogus parameters */
- if ((_ep == NULL) || (_req == NULL)) {
+ if ((!_ep) || (!_req)) {
/* pr_err("%s, bad param(1)\n", __func__); */
return -EINVAL;
}
@@ -2806,7 +2806,7 @@ static int nbu2ss_ep_dequeue(
}
udc = ep->udc;
- if (udc == NULL)
+ if (!udc)
return -EINVAL;
spin_lock_irqsave(&udc->lock, flags);
@@ -2989,13 +2989,13 @@ static int nbu2ss_gad_get_frame(struct usb_gadget *pgadget)
u32 data;
struct nbu2ss_udc *udc;
- if (pgadget == NULL) {
+ if (!pgadget) {
pr_err("udc: %s, bad param\n", __func__);
return -EINVAL;
}
udc = container_of(pgadget, struct nbu2ss_udc, gadget);
- if (udc == NULL) {
+ if (!udc) {
dev_err(&pgadget->dev, "%s, udc == NULL\n", __func__);
return -EINVAL;
}
@@ -3017,13 +3017,13 @@ static int nbu2ss_gad_wakeup(struct usb_gadget *pgadget)
struct nbu2ss_udc *udc;
- if (pgadget == NULL) {
+ if (!pgadget) {
pr_err("%s, bad param\n", __func__);
return -EINVAL;
}
udc = container_of(pgadget, struct nbu2ss_udc, gadget);
- if (udc == NULL) {
+ if (!udc) {
dev_err(&pgadget->dev, "%s, udc == NULL\n", __func__);
return -EINVAL;
}
@@ -3055,7 +3055,7 @@ static int nbu2ss_gad_set_selfpowered(struct usb_gadget *pgadget,
struct nbu2ss_udc *udc;
unsigned long flags;
- if (pgadget == NULL) {
+ if (!pgadget) {
pr_err("%s, bad param\n", __func__);
return -EINVAL;
}
@@ -3081,7 +3081,7 @@ static int nbu2ss_gad_vbus_draw(struct usb_gadget *pgadget, unsigned mA)
struct nbu2ss_udc *udc;
unsigned long flags;
- if (pgadget == NULL) {
+ if (!pgadget) {
pr_err("%s, bad param\n", __func__);
return -EINVAL;
}
@@ -3101,14 +3101,14 @@ static int nbu2ss_gad_pullup(struct usb_gadget *pgadget, int is_on)
struct nbu2ss_udc *udc;
unsigned long flags;
- if (pgadget == NULL) {
+ if (!pgadget) {
pr_err("%s, bad param\n", __func__);
return -EINVAL;
}
udc = container_of(pgadget, struct nbu2ss_udc, gadget);
- if (udc->driver == NULL) {
+ if (!udc->driver) {
pr_warn("%s, Not Regist Driver\n", __func__);
return -EINVAL;
}
@@ -3319,7 +3319,7 @@ static void nbu2ss_drv_shutdown(struct platform_device *pdev)
struct nbu2ss_udc *udc;
udc = platform_get_drvdata(pdev);
- if (udc == NULL)
+ if (!udc)
return;
_nbu2ss_disable_controller(udc);
@@ -3353,7 +3353,7 @@ static int nbu2ss_drv_suspend(struct platform_device *pdev, pm_message_t state)
struct nbu2ss_udc *udc;
udc = platform_get_drvdata(pdev);
- if (udc == NULL)
+ if (!udc)
return 0;
if (udc->vbus_active) {
@@ -3380,7 +3380,7 @@ static int nbu2ss_drv_resume(struct platform_device *pdev)
struct nbu2ss_udc *udc;
udc = platform_get_drvdata(pdev);
- if (udc == NULL)
+ if (!udc)
return 0;
data = gpio_get_value(VBUS_VALUE);
--
1.9.1
--
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