staging: vc04_services: Fix NULL ptr sparse warnings

In calls to queue_message() in vchiq_core.c, the "void *context"
parameter is set as 0 rather than NULL. This patch amends each call to
use the proper NULL pointer. The following sparse warnings are fixed:

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c:1623:23: warning: Using plain integer as NULL pointer
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c:1976:47: warning: Using plain integer as NULL pointer
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c:2075:47: warning: Using plain integer as NULL pointer
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c:2095:47: warning: Using plain integer as NULL pointer
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c:2907:39: warning: Using plain integer as NULL pointer
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c:2929:39: warning: Using plain integer as NULL pointer
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c:3059:72: warning: Using plain integer as NULL pointer
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c:3860:31: warning: Using plain integer as NULL pointer
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c:3870:31: warning: Using plain integer as NULL pointer
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c:3880:31: warning: Using plain integer as NULL pointer

Signed-off-by: Mike Kofron <mpkofron@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
index 028e90b..32b00f8 100644 (file)
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
@@ -1620,7 +1620,7 @@ fail_open:
        /* No available service, or an invalid request - send a CLOSE */
        if (queue_message(state, NULL,
                VCHIQ_MAKE_MSG(VCHIQ_MSG_CLOSE, 0, VCHIQ_MSG_SRCPORT(msgid)),
-               NULL, 0, 0, 0) == VCHIQ_RETRY)
+               NULL, NULL, 0, 0) == VCHIQ_RETRY)
                goto bail_not_ready;
 
        return 1;
@@ -1973,7 +1973,7 @@ parse_rx_slots(VCHIQ_STATE_T *state)
                                /* Send a PAUSE in response */
                                if (queue_message(state, NULL,
                                        VCHIQ_MAKE_MSG(VCHIQ_MSG_PAUSE, 0, 0),
-                                       NULL, 0, 0, QMFLAGS_NO_MUTEX_UNLOCK)
+                                       NULL, NULL, 0, QMFLAGS_NO_MUTEX_UNLOCK)
                                    == VCHIQ_RETRY)
                                        goto bail_not_ready;
                                if (state->is_master)
@@ -2072,7 +2072,7 @@ slot_handler_func(void *v)
                                        pause_bulks(state);
                                if (queue_message(state, NULL,
                                        VCHIQ_MAKE_MSG(VCHIQ_MSG_PAUSE, 0, 0),
-                                       NULL, 0, 0,
+                                       NULL, NULL, 0,
                                        QMFLAGS_NO_MUTEX_UNLOCK)
                                    != VCHIQ_RETRY) {
                                        vchiq_set_conn_state(state,
@@ -2092,7 +2092,7 @@ slot_handler_func(void *v)
                        case VCHIQ_CONNSTATE_RESUMING:
                                if (queue_message(state, NULL,
                                        VCHIQ_MAKE_MSG(VCHIQ_MSG_RESUME, 0, 0),
-                                       NULL, 0, 0, QMFLAGS_NO_MUTEX_LOCK)
+                                       NULL, NULL, 0, QMFLAGS_NO_MUTEX_LOCK)
                                        != VCHIQ_RETRY) {
                                        if (state->is_master)
                                                resume_bulks(state);
@@ -2904,7 +2904,7 @@ vchiq_close_service_internal(VCHIQ_SERVICE_T *service, int close_recvd)
                                (VCHIQ_MSG_CLOSE,
                                service->localport,
                                VCHIQ_MSG_DSTPORT(service->remoteport)),
-                               NULL, 0, 0, 0);
+                               NULL, NULL, 0, 0);
                }
                break;
 
@@ -2926,7 +2926,7 @@ vchiq_close_service_internal(VCHIQ_SERVICE_T *service, int close_recvd)
                                (VCHIQ_MSG_CLOSE,
                                service->localport,
                                VCHIQ_MSG_DSTPORT(service->remoteport)),
-                               NULL, 0, 0, QMFLAGS_NO_MUTEX_UNLOCK);
+                               NULL, NULL, 0, QMFLAGS_NO_MUTEX_UNLOCK);
 
                if (status == VCHIQ_SUCCESS) {
                        if (!close_recvd) {
@@ -3056,7 +3056,7 @@ vchiq_connect_internal(VCHIQ_STATE_T *state, VCHIQ_INSTANCE_T instance)
 
        if (state->conn_state == VCHIQ_CONNSTATE_DISCONNECTED) {
                if (queue_message(state, NULL,
-                       VCHIQ_MAKE_MSG(VCHIQ_MSG_CONNECT, 0, 0), NULL, 0,
+                       VCHIQ_MAKE_MSG(VCHIQ_MSG_CONNECT, 0, 0), NULL, NULL,
                        0, QMFLAGS_IS_BLOCKING) == VCHIQ_RETRY)
                        return VCHIQ_RETRY;
 
@@ -3857,7 +3857,7 @@ VCHIQ_STATUS_T vchiq_send_remote_use(VCHIQ_STATE_T *state)
        if (state->conn_state != VCHIQ_CONNSTATE_DISCONNECTED)
                status = queue_message(state, NULL,
                        VCHIQ_MAKE_MSG(VCHIQ_MSG_REMOTE_USE, 0, 0),
-                       NULL, 0, 0, 0);
+                       NULL, NULL, 0, 0);
        return status;
 }
 
@@ -3867,7 +3867,7 @@ VCHIQ_STATUS_T vchiq_send_remote_release(VCHIQ_STATE_T *state)
        if (state->conn_state != VCHIQ_CONNSTATE_DISCONNECTED)
                status = queue_message(state, NULL,
                        VCHIQ_MAKE_MSG(VCHIQ_MSG_REMOTE_RELEASE, 0, 0),
-                       NULL, 0, 0, 0);
+                       NULL, NULL, 0, 0);
        return status;
 }
 
@@ -3877,7 +3877,7 @@ VCHIQ_STATUS_T vchiq_send_remote_use_active(VCHIQ_STATE_T *state)
        if (state->conn_state != VCHIQ_CONNSTATE_DISCONNECTED)
                status = queue_message(state, NULL,
                        VCHIQ_MAKE_MSG(VCHIQ_MSG_REMOTE_USE_ACTIVE, 0, 0),
-                       NULL, 0, 0, 0);
+                       NULL, NULL, 0, 0);
        return status;
 }