net: ena: change sizeof() argument to be the type pointer

BugLink: http://bugs.launchpad.net/bugs/1701575

Instead of using:
memset(ptr, 0x0, sizeof(struct ...))
use:
memset(ptr, 0x0, sizeor(*ptr))
Signed-off-by: Netanel Belgazal <netanel@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 91750110 net-next)
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
Acked-by: Brad Figg <brad.figg@canonical.com>

drivers/net/ethernet/amazon/ena/ena_com.c

@@ -329,7 +329,7 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev,
 	size_t size;
 	int dev_node = 0;
 
-	memset(&io_sq->desc_addr, 0x0, sizeof(struct ena_com_io_desc_addr));
+	memset(&io_sq->desc_addr, 0x0, sizeof(io_sq->desc_addr));
 
 	io_sq->desc_entry_size =
 		(io_sq->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) ?
@@ -383,7 +383,7 @@ static int ena_com_init_io_cq(struct ena_com_dev *ena_dev,
 	size_t size;
 	int prev_node = 0;
 
-	memset(&io_cq->cdesc_addr, 0x0, sizeof(struct ena_com_io_desc_addr));
+	memset(&io_cq->cdesc_addr, 0x0, sizeof(io_cq->cdesc_addr));
 
 	/* Use the basic completion descriptor for Rx */
 	io_cq->cdesc_entry_size_in_bytes =
@@ -685,7 +685,7 @@ static int ena_com_destroy_io_sq(struct ena_com_dev *ena_dev,
 	u8 direction;
 	int ret;
 
-	memset(&destroy_cmd, 0x0, sizeof(struct ena_admin_aq_destroy_sq_cmd));
+	memset(&destroy_cmd, 0x0, sizeof(destroy_cmd));
 
 	if (io_sq->direction == ENA_COM_IO_QUEUE_DIRECTION_TX)
 		direction = ENA_ADMIN_SQ_DIRECTION_TX;
@@ -967,7 +967,7 @@ static int ena_com_create_io_sq(struct ena_com_dev *ena_dev,
 	u8 direction;
 	int ret;
 
-	memset(&create_cmd, 0x0, sizeof(struct ena_admin_aq_create_sq_cmd));
+	memset(&create_cmd, 0x0, sizeof(create_cmd));
 
 	create_cmd.aq_common_descriptor.opcode = ENA_ADMIN_CREATE_SQ;
 
@@ -1159,7 +1159,7 @@ int ena_com_create_io_cq(struct ena_com_dev *ena_dev,
 	struct ena_admin_acq_create_cq_resp_desc cmd_completion;
 	int ret;
 
-	memset(&create_cmd, 0x0, sizeof(struct ena_admin_aq_create_cq_cmd));
+	memset(&create_cmd, 0x0, sizeof(create_cmd));
 
 	create_cmd.aq_common_descriptor.opcode = ENA_ADMIN_CREATE_CQ;
 
@@ -1267,7 +1267,7 @@ int ena_com_destroy_io_cq(struct ena_com_dev *ena_dev,
 	struct ena_admin_acq_destroy_cq_resp_desc destroy_resp;
 	int ret;
 
-	memset(&destroy_cmd, 0x0, sizeof(struct ena_admin_aq_destroy_sq_cmd));
+	memset(&destroy_cmd, 0x0, sizeof(destroy_cmd));
 
 	destroy_cmd.cq_idx = io_cq->idx;
 	destroy_cmd.aq_common_descriptor.opcode = ENA_ADMIN_DESTROY_CQ;
@@ -1623,8 +1623,8 @@ int ena_com_create_io_queue(struct ena_com_dev *ena_dev,
 	io_sq = &ena_dev->io_sq_queues[ctx->qid];
 	io_cq = &ena_dev->io_cq_queues[ctx->qid];
 
-	memset(io_sq, 0x0, sizeof(struct ena_com_io_sq));
-	memset(io_cq, 0x0, sizeof(struct ena_com_io_cq));
+	memset(io_sq, 0x0, sizeof(*io_sq));
+	memset(io_cq, 0x0, sizeof(*io_cq));
 
 	/* Init CQ */
 	io_cq->q_depth = ctx->queue_size;