ibmvnic: fix to use list_for_each_safe() when delete items

Since we will remove items off the list using list_del() we need
to use a safe version of the list_for_each() macro aptly named
list_for_each_safe().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 864cb21..ecdb685 100644 (file)
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -2121,7 +2121,7 @@ static void handle_error_info_rsp(union ibmvnic_crq *crq,
                                  struct ibmvnic_adapter *adapter)
 {
        struct device *dev = &adapter->vdev->dev;
-       struct ibmvnic_error_buff *error_buff;
+       struct ibmvnic_error_buff *error_buff, *tmp;
        unsigned long flags;
        bool found = false;
        int i;
@@ -2133,7 +2133,7 @@ static void handle_error_info_rsp(union ibmvnic_crq *crq,
        }
 
        spin_lock_irqsave(&adapter->error_list_lock, flags);
-       list_for_each_entry(error_buff, &adapter->errors, list)
+       list_for_each_entry_safe(error_buff, tmp, &adapter->errors, list)
                if (error_buff->error_id == crq->request_error_rsp.error_id) {
                        found = true;
                        list_del(&error_buff->list);
@@ -3141,14 +3141,14 @@ static void handle_request_ras_comp_num_rsp(union ibmvnic_crq *crq,
 
 static void ibmvnic_free_inflight(struct ibmvnic_adapter *adapter)
 {
-       struct ibmvnic_inflight_cmd *inflight_cmd;
+       struct ibmvnic_inflight_cmd *inflight_cmd, *tmp1;
        struct device *dev = &adapter->vdev->dev;
-       struct ibmvnic_error_buff *error_buff;
+       struct ibmvnic_error_buff *error_buff, *tmp2;
        unsigned long flags;
        unsigned long flags2;
 
        spin_lock_irqsave(&adapter->inflight_lock, flags);
-       list_for_each_entry(inflight_cmd, &adapter->inflight, list) {
+       list_for_each_entry_safe(inflight_cmd, tmp1, &adapter->inflight, list) {
                switch (inflight_cmd->crq.generic.cmd) {
                case LOGIN:
                        dma_unmap_single(dev, adapter->login_buf_token,
@@ -3165,8 +3165,8 @@ static void ibmvnic_free_inflight(struct ibmvnic_adapter *adapter)
                        break;
                case REQUEST_ERROR_INFO:
                        spin_lock_irqsave(&adapter->error_list_lock, flags2);
-                       list_for_each_entry(error_buff, &adapter->errors,
-                                           list) {
+                       list_for_each_entry_safe(error_buff, tmp2,
+                                                &adapter->errors, list) {
                                dma_unmap_single(dev, error_buff->dma,
                                                 error_buff->len,
                                                 DMA_FROM_DEVICE);