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Date: Fri, 15 Feb 2013 06:25:34 +0100
From: Peter Huewe <peterhuewe@....de>
To: Rupesh Gujare <rupesh.gujare@...el.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
Peter Huewe <peterhuewe@....de>
Subject: [PATCH 6/7] staging/ozwpan: Fix sparse warning Using plain integer as NULL pointer
This patch fixes the warning "Using plain integer as NULL pointer",
generated by sparse, by replacing the offending 0s with NULL.
Signed-off-by: Peter Huewe <peterhuewe@....de>
---
drivers/staging/ozwpan/ozusbsvc.c | 22 +++++++++++-----------
1 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/drivers/staging/ozwpan/ozusbsvc.c b/drivers/staging/ozwpan/ozusbsvc.c
index 8fa7f25..e12343e 100644
--- a/drivers/staging/ozwpan/ozusbsvc.c
+++ b/drivers/staging/ozwpan/ozusbsvc.c
@@ -34,7 +34,7 @@
*/
int oz_usb_init(void)
{
- oz_event_log(OZ_EVT_SERVICE, 1, OZ_APPID_USB, 0, 0);
+ oz_event_log(OZ_EVT_SERVICE, 1, OZ_APPID_USB, NULL, 0);
return oz_hcd_init();
}
/*------------------------------------------------------------------------------
@@ -43,7 +43,7 @@ int oz_usb_init(void)
*/
void oz_usb_term(void)
{
- oz_event_log(OZ_EVT_SERVICE, 2, OZ_APPID_USB, 0, 0);
+ oz_event_log(OZ_EVT_SERVICE, 2, OZ_APPID_USB, NULL, 0);
oz_hcd_term();
}
/*------------------------------------------------------------------------------
@@ -54,8 +54,8 @@ int oz_usb_start(struct oz_pd *pd, int resume)
{
int rc = 0;
struct oz_usb_ctx *usb_ctx;
- struct oz_usb_ctx *old_ctx = 0;
- oz_event_log(OZ_EVT_SERVICE, 3, OZ_APPID_USB, 0, resume);
+ struct oz_usb_ctx *old_ctx = NULL;
+ oz_event_log(OZ_EVT_SERVICE, 3, OZ_APPID_USB, NULL, resume);
if (resume) {
oz_trace("USB service resumed.\n");
return 0;
@@ -65,7 +65,7 @@ int oz_usb_start(struct oz_pd *pd, int resume)
* has a USB context then we will destroy it.
*/
usb_ctx = kzalloc(sizeof(struct oz_usb_ctx), GFP_ATOMIC);
- if (usb_ctx == 0)
+ if (usb_ctx == NULL)
return -ENOMEM;
atomic_set(&usb_ctx->ref_count, 1);
usb_ctx->pd = pd;
@@ -76,7 +76,7 @@ int oz_usb_start(struct oz_pd *pd, int resume)
*/
spin_lock_bh(&pd->app_lock[OZ_APPID_USB-1]);
old_ctx = pd->app_ctx[OZ_APPID_USB-1];
- if (old_ctx == 0)
+ if (old_ctx == NULL)
pd->app_ctx[OZ_APPID_USB-1] = usb_ctx;
oz_usb_get(pd->app_ctx[OZ_APPID_USB-1]);
spin_unlock_bh(&pd->app_lock[OZ_APPID_USB-1]);
@@ -98,10 +98,10 @@ int oz_usb_start(struct oz_pd *pd, int resume)
oz_hcd_pd_reset(usb_ctx, usb_ctx->hport);
} else {
usb_ctx->hport = oz_hcd_pd_arrived(usb_ctx);
- if (usb_ctx->hport == 0) {
+ if (usb_ctx->hport == NULL) {
oz_trace("USB hub returned null port.\n");
spin_lock_bh(&pd->app_lock[OZ_APPID_USB-1]);
- pd->app_ctx[OZ_APPID_USB-1] = 0;
+ pd->app_ctx[OZ_APPID_USB-1] = NULL;
spin_unlock_bh(&pd->app_lock[OZ_APPID_USB-1]);
oz_usb_put(usb_ctx);
rc = -1;
@@ -117,14 +117,14 @@ int oz_usb_start(struct oz_pd *pd, int resume)
void oz_usb_stop(struct oz_pd *pd, int pause)
{
struct oz_usb_ctx *usb_ctx;
- oz_event_log(OZ_EVT_SERVICE, 4, OZ_APPID_USB, 0, pause);
+ oz_event_log(OZ_EVT_SERVICE, 4, OZ_APPID_USB, NULL, pause);
if (pause) {
oz_trace("USB service paused.\n");
return;
}
spin_lock_bh(&pd->app_lock[OZ_APPID_USB-1]);
usb_ctx = (struct oz_usb_ctx *)pd->app_ctx[OZ_APPID_USB-1];
- pd->app_ctx[OZ_APPID_USB-1] = 0;
+ pd->app_ctx[OZ_APPID_USB-1] = NULL;
spin_unlock_bh(&pd->app_lock[OZ_APPID_USB-1]);
if (usb_ctx) {
unsigned long tout = jiffies + HZ;
@@ -182,7 +182,7 @@ int oz_usb_heartbeat(struct oz_pd *pd)
if (usb_ctx)
oz_usb_get(usb_ctx);
spin_unlock_bh(&pd->app_lock[OZ_APPID_USB-1]);
- if (usb_ctx == 0)
+ if (usb_ctx == NULL)
return rc;
if (usb_ctx->stopped)
goto done;
--
1.7.8.6
--
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