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-rw-r--r--drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c8
1 files changed, 4 insertions, 4 deletions
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 2db2332f80de..5eab351eb0dc 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
@@ -28,6 +28,8 @@
((unsigned int)(info - state->slot_info))
#define SLOT_QUEUE_INDEX_FROM_POS(pos) \
((int)((unsigned int)(pos) / VCHIQ_SLOT_SIZE))
+#define SLOT_QUEUE_INDEX_FROM_POS_MASKED(pos) \
+ (SLOT_QUEUE_INDEX_FROM_POS(pos) & VCHIQ_SLOT_QUEUE_MASK)
#define BULK_INDEX(x) (x & (VCHIQ_NUM_SERVICE_BULKS - 1))
@@ -613,8 +615,7 @@ reserve_space(struct vchiq_state *state, size_t space, int is_blocking)
}
slot_index = local->slot_queue[
- SLOT_QUEUE_INDEX_FROM_POS(tx_pos) &
- VCHIQ_SLOT_QUEUE_MASK];
+ SLOT_QUEUE_INDEX_FROM_POS_MASKED(tx_pos)];
state->tx_data =
(char *)SLOT_DATA_FROM_INDEX(state, slot_index);
}
@@ -1567,8 +1568,7 @@ parse_rx_slots(struct vchiq_state *state)
WARN_ON(!((state->rx_pos & VCHIQ_SLOT_MASK) == 0));
rx_index = remote->slot_queue[
- SLOT_QUEUE_INDEX_FROM_POS(state->rx_pos) &
- VCHIQ_SLOT_QUEUE_MASK];
+ SLOT_QUEUE_INDEX_FROM_POS_MASKED(state->rx_pos)];
state->rx_data = (char *)SLOT_DATA_FROM_INDEX(state,
rx_index);
state->rx_info = SLOT_INFO_FROM_INDEX(state, rx_index);