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IB/iser: Fix sparse warnings 

Use uintptr_t to handle wr_id casting, which was found by Kbuild test
robot and smatch.  Also remove an internal definition of variable which
potentially shadows an external one (and make sparse happy).

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Sagi Grimberg 2014-12-07 16:09:57 +02:00 committed by Roland Dreier
parent 6ec9d4d231
commit 49df2781b1
2 changed files with 8 additions and 8 deletions
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1
drivers/infiniband/ulp/iser/iser_memory.c
View File

@ -73,7 +73,6 @@ static int iser_start_rdma_unaligned_sg(struct iscsi_iser_task *iser_task,
if (cmd_dir == ISER_DIR_OUT) {
/* copy the unaligned sg the buffer which is used for RDMA */
int i;
char *p, *from;
sgl = (struct scatterlist *)data->buf;

15
drivers/infiniband/ulp/iser/iser_verbs.c
View File

@ -1077,7 +1077,7 @@ int iser_post_recvl(struct iser_conn *iser_conn)
sge.length = ISER_RX_LOGIN_SIZE;
sge.lkey = ib_conn->device->mr->lkey;
rx_wr.wr_id = (unsigned long)iser_conn->login_resp_buf;
rx_wr.wr_id = (uintptr_t)iser_conn->login_resp_buf;
rx_wr.sg_list = &sge;
rx_wr.num_sge = 1;
rx_wr.next = NULL;
@ -1101,7 +1101,7 @@ int iser_post_recvm(struct iser_conn *iser_conn, int count)
for (rx_wr = ib_conn->rx_wr, i = 0; i < count; i++, rx_wr++) {
rx_desc = &iser_conn->rx_descs[my_rx_head];
rx_wr->wr_id = (unsigned long)rx_desc;
rx_wr->wr_id = (uintptr_t)rx_desc;
rx_wr->sg_list = &rx_desc->rx_sg;
rx_wr->num_sge = 1;
rx_wr->next = rx_wr + 1;
@ -1138,7 +1138,7 @@ int iser_post_send(struct ib_conn *ib_conn, struct iser_tx_desc *tx_desc,
DMA_TO_DEVICE);
send_wr.next = NULL;
send_wr.wr_id = (unsigned long)tx_desc;
send_wr.wr_id = (uintptr_t)tx_desc;
send_wr.sg_list = tx_desc->tx_sg;
send_wr.num_sge = tx_desc->num_sge;
send_wr.opcode = IB_WR_SEND;
@ -1188,6 +1188,7 @@ static void
iser_handle_comp_error(struct ib_conn *ib_conn,
struct ib_wc *wc)
{
void *wr_id = (void *)(uintptr_t)wc->wr_id;
struct iser_conn *iser_conn = container_of(ib_conn, struct iser_conn,
ib_conn);
@ -1196,8 +1197,8 @@ iser_handle_comp_error(struct ib_conn *ib_conn,
iscsi_conn_failure(iser_conn->iscsi_conn,
ISCSI_ERR_CONN_FAILED);
if (is_iser_tx_desc(iser_conn, (void *)wc->wr_id)) {
struct iser_tx_desc *desc = (struct iser_tx_desc *)wc->wr_id;
if (is_iser_tx_desc(iser_conn, wr_id)) {
struct iser_tx_desc *desc = wr_id;
if (desc->type == ISCSI_TX_DATAOUT)
kmem_cache_free(ig.desc_cache, desc);
@ -1223,12 +1224,12 @@ static void iser_handle_wc(struct ib_wc *wc)
ib_conn = wc->qp->qp_context;
if (wc->status == IB_WC_SUCCESS) {
if (wc->opcode == IB_WC_RECV) {
rx_desc = (struct iser_rx_desc *)wc->wr_id;
rx_desc = (struct iser_rx_desc *)(uintptr_t)wc->wr_id;
iser_rcv_completion(rx_desc, wc->byte_len,
ib_conn);
} else
if (wc->opcode == IB_WC_SEND) {
tx_desc = (struct iser_tx_desc *)wc->wr_id;
tx_desc = (struct iser_tx_desc *)(uintptr_t)wc->wr_id;
iser_snd_completion(tx_desc, ib_conn);
} else {
iser_err("Unknown wc opcode %d\n", wc->opcode);