[PATCH 5/7] staging/ozwpan: Fix sparse warning Using plain integer as NULL pointer

[Peter Huewe <peterhuewe@gmx.de>]

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@gmx.de>
---
 drivers/staging/ozwpan/ozcdev.c |   24 ++++++++++++------------
 1 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c
index 64913ae..5205617 100644
--- a/drivers/staging/ozwpan/ozcdev.c
+++ b/drivers/staging/ozwpan/ozcdev.c
@@ -97,7 +97,7 @@ ssize_t oz_cdev_read(struct file *filp, char __user *buf, size_t count,
 	int ix;
 
 	struct oz_pd *pd;
-	struct oz_serial_ctx *ctx = 0;
+	struct oz_serial_ctx *ctx = NULL;
 
 	spin_lock_bh(&g_cdev.lock);
 	pd = g_cdev.active_pd;
@@ -147,7 +147,7 @@ ssize_t oz_cdev_write(struct file *filp, const char __user *buf, size_t count,
 {
 	struct oz_pd *pd;
 	struct oz_elt_buf *eb;
-	struct oz_elt_info *ei = 0;
+	struct oz_elt_info *ei = NULL;
 	struct oz_elt *elt;
 	struct oz_app_hdr *app_hdr;
 	struct oz_serial_ctx *ctx;
@@ -182,7 +182,7 @@ ssize_t oz_cdev_write(struct file *filp, const char __user *buf, size_t count,
 			ctx->tx_seq_num = 1;
 		spin_lock(&eb->lock);
 		if (oz_queue_elt_info(eb, 0, 0, ei) == 0)
-			ei = 0;
+			ei = NULL;
 		spin_unlock(&eb->lock);
 	}
 	spin_unlock_bh(&pd->app_lock[OZ_APPID_USB-1]);
@@ -217,7 +217,7 @@ static int oz_set_active_pd(u8 *addr)
 		if (is_zero_ether_addr(addr)) {
 			spin_lock_bh(&g_cdev.lock);
 			pd = g_cdev.active_pd;
-			g_cdev.active_pd = 0;
+			g_cdev.active_pd = NULL;
 			memset(g_cdev.active_addr, 0,
 				sizeof(g_cdev.active_addr));
 			spin_unlock_bh(&g_cdev.lock);
@@ -385,7 +385,7 @@ int oz_cdev_deregister(void)
  */
 int oz_cdev_init(void)
 {
-	oz_event_log(OZ_EVT_SERVICE, 1, OZ_APPID_SERIAL, 0, 0);
+	oz_event_log(OZ_EVT_SERVICE, 1, OZ_APPID_SERIAL, NULL, 0);
 	oz_app_enable(OZ_APPID_SERIAL, 1);
 	return 0;
 }
@@ -394,7 +394,7 @@ int oz_cdev_init(void)
  */
 void oz_cdev_term(void)
 {
-	oz_event_log(OZ_EVT_SERVICE, 2, OZ_APPID_SERIAL, 0, 0);
+	oz_event_log(OZ_EVT_SERVICE, 2, OZ_APPID_SERIAL, NULL, 0);
 	oz_app_enable(OZ_APPID_SERIAL, 0);
 }
 /*------------------------------------------------------------------------------
@@ -403,8 +403,8 @@ void oz_cdev_term(void)
 int oz_cdev_start(struct oz_pd *pd, int resume)
 {
 	struct oz_serial_ctx *ctx;
-	struct oz_serial_ctx *old_ctx = 0;
-	oz_event_log(OZ_EVT_SERVICE, 3, OZ_APPID_SERIAL, 0, resume);
+	struct oz_serial_ctx *old_ctx = NULL;
+	oz_event_log(OZ_EVT_SERVICE, 3, OZ_APPID_SERIAL, NULL, resume);
 	if (resume) {
 		oz_trace("Serial service resumed.\n");
 		return 0;
@@ -440,22 +440,22 @@ int oz_cdev_start(struct oz_pd *pd, int resume)
 void oz_cdev_stop(struct oz_pd *pd, int pause)
 {
 	struct oz_serial_ctx *ctx;
-	oz_event_log(OZ_EVT_SERVICE, 4, OZ_APPID_SERIAL, 0, pause);
+	oz_event_log(OZ_EVT_SERVICE, 4, OZ_APPID_SERIAL, NULL, pause);
 	if (pause) {
 		oz_trace("Serial service paused.\n");
 		return;
 	}
 	spin_lock_bh(&pd->app_lock[OZ_APPID_SERIAL-1]);
 	ctx = (struct oz_serial_ctx *)pd->app_ctx[OZ_APPID_SERIAL-1];
-	pd->app_ctx[OZ_APPID_SERIAL-1] = 0;
+	pd->app_ctx[OZ_APPID_SERIAL-1] = NULL;
 	spin_unlock_bh(&pd->app_lock[OZ_APPID_SERIAL-1]);
 	if (ctx)
 		oz_cdev_release_ctx(ctx);
 	spin_lock(&g_cdev.lock);
 	if (pd == g_cdev.active_pd)
-		g_cdev.active_pd = 0;
+		g_cdev.active_pd = NULL;
 	else
-		pd = 0;
+		pd = NULL;
 	spin_unlock(&g_cdev.lock);
 	if (pd) {
 		oz_pd_put(pd);
-- 
1.7.8.6