mips: for pointers replace 0 with NULL.

These are mostly cosmetical, no functional change.

Found with devel/coccinelle.

Reviewed by:	adrian

10 files changed, 10 insertions, 10 deletions

diff --git a/sys/mips/adm5120/obio.c b/sys/mips/adm5120/obio.c
index 8b62629..0e09886 100644
--- a/sys/mips/adm5120/obio.c
+++ b/sys/mips/adm5120/obio.c
@@ -270,7 +270,7 @@ obio_alloc_resource(device_t bus, device_t child, int type, int *rid,
 	}
 
 	rv = rman_reserve_resource(rm, start, end, count, flags, child);
-	if (rv == 0) {
+	if (rv == NULL) {
 		printf("%s: could not reserve resource\n", __func__);
 		return (0);
 	}
diff --git a/sys/mips/alchemy/obio.c b/sys/mips/alchemy/obio.c
index 96b1f1d..b85ca48 100644
--- a/sys/mips/alchemy/obio.c
+++ b/sys/mips/alchemy/obio.c
@@ -271,7 +271,7 @@ obio_alloc_resource(device_t bus, device_t child, int type, int *rid,
 	}
 
 	rv = rman_reserve_resource(rm, start, end, count, flags, child);
-	if (rv == 0) {
+	if (rv == NULL) {
 		printf("%s: could not reserve resource\n", __func__);
 		return (0);
 	}
diff --git a/sys/mips/atheros/apb.c b/sys/mips/atheros/apb.c
index abae9c2..6a38c7d 100644
--- a/sys/mips/atheros/apb.c
+++ b/sys/mips/atheros/apb.c
@@ -223,7 +223,7 @@ apb_alloc_resource(device_t bus, device_t child, int type, int *rid,
 	}
 
 	rv = rman_reserve_resource(rm, start, end, count, flags, child);
-	if (rv == 0) {
+	if (rv == NULL) {
 		printf("%s: could not reserve resource\n", __func__);
 		return (0);
 	}
diff --git a/sys/mips/idt/obio.c b/sys/mips/idt/obio.c
index b95b11a..f151a79 100644
--- a/sys/mips/idt/obio.c
+++ b/sys/mips/idt/obio.c
@@ -204,7 +204,7 @@ obio_alloc_resource(device_t bus, device_t child, int type, int *rid,
 	}
 
 	rv = rman_reserve_resource(rm, start, end, count, flags, child);
-	if (rv == 0) {
+	if (rv == NULL) {
 		printf("%s: could not reserve resource\n", __func__);
 		return (0);
 	}
diff --git a/sys/mips/mips/machdep.c b/sys/mips/mips/machdep.c
index 5d25d88..3d44cda 100644
--- a/sys/mips/mips/machdep.c
+++ b/sys/mips/mips/machdep.c
@@ -316,7 +316,7 @@ cpu_initclocks(void)
 	cpu_initclocks_bsp();
 }
 
-struct msgbuf *msgbufp=0;
+struct msgbuf *msgbufp = NULL;
 
 /*
  * Initialize the hardware exception vectors, and the jump table used to
diff --git a/sys/mips/mips/nexus.c b/sys/mips/mips/nexus.c
index a2a8e527..908d5bc 100644
--- a/sys/mips/mips/nexus.c
+++ b/sys/mips/mips/nexus.c
@@ -315,7 +315,7 @@ nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
 	}
 
 	rv = rman_reserve_resource(rm, start, end, count, flags, child);
-	if (rv == 0) {
+	if (rv == NULL) {
 		printf("%s: could not reserve resource for %s\n", __func__,
 		    device_get_nameunit(child));
 		return (0);
diff --git a/sys/mips/nlm/xlp_simplebus.c b/sys/mips/nlm/xlp_simplebus.c
index 413775b..eb42a86 100644
--- a/sys/mips/nlm/xlp_simplebus.c
+++ b/sys/mips/nlm/xlp_simplebus.c
@@ -244,7 +244,7 @@ xlp_simplebus_alloc_resource(device_t bus, device_t child, int type, int *rid,
 	}
 
 	rv = rman_reserve_resource(rm, start, end, count, flags, child);
-	if (rv == 0) {
+	if (rv == NULL) {
 		device_printf(bus, "%s: could not reserve resource for %s\n",
 		    __func__, device_get_nameunit(child));
 		return (NULL);
diff --git a/sys/mips/rmi/xlr_pci.c b/sys/mips/rmi/xlr_pci.c
index 53581a6..3d98503 100644
--- a/sys/mips/rmi/xlr_pci.c
+++ b/sys/mips/rmi/xlr_pci.c
@@ -537,7 +537,7 @@ xlr_pci_alloc_resource(device_t bus, device_t child, int type, int *rid,
 	}
 
 	rv = rman_reserve_resource(rm, start, end, count, flags, child);
-	if (rv == 0)
+	if (rv == NULL)
 		return (0);
 
 	rman_set_rid(rv, *rid);
diff --git a/sys/mips/rt305x/obio.c b/sys/mips/rt305x/obio.c
index ac27230..fc8a4ac 100644
--- a/sys/mips/rt305x/obio.c
+++ b/sys/mips/rt305x/obio.c
@@ -326,7 +326,7 @@ obio_alloc_resource(device_t bus, device_t child, int type, int *rid,
 	}
 
 	rv = rman_reserve_resource(rm, start, end, count, flags, child);
-	if (rv == 0) {
+	if (rv == NULL) {
 		printf("%s: could not reserve resource\n", __func__);
 		return (0);
 	}
diff --git a/sys/mips/rt305x/rt305x_gpio.c b/sys/mips/rt305x/rt305x_gpio.c
index e4f645f..56b734a 100644
--- a/sys/mips/rt305x/rt305x_gpio.c
+++ b/sys/mips/rt305x/rt305x_gpio.c
@@ -562,7 +562,7 @@ rt305x_gpio_alloc_resource(device_t bus, device_t child, int type, int *rid,
 	}
 
 	rv = rman_reserve_resource(rm, start, end, count, flags, child);
-	if (rv == 0) {
+	if (rv == NULL) {
 		printf("%s: could not reserve resource\n", __func__);
 		return (0);
 	}