[PATCH] scsi: ibmvscsi: delete the useless casting value returned

[Wang Qing]

Fix the following coccicheck warning:
WARNING: casting value returned by memory allocation function is useless.

Signed-off-by: Wang Qing <wangq...@vivo.com>
---
 drivers/scsi/ibmvscsi/ibmvscsi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 29fcc44..f084ca10
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -717,8 +717,7 @@ static int map_sg_data(struct scsi_cmnd *cmd,
 
        /* get indirect table */
        if (!evt_struct->ext_list) {
-               evt_struct->ext_list = (struct srp_direct_buf *)
-                       dma_alloc_coherent(dev,
+               evt_struct->ext_list = dma_alloc_coherent(dev,
                                           SG_ALL * sizeof(struct 
srp_direct_buf),
                                           &evt_struct->ext_list_token, 0);
                if (!evt_struct->ext_list) {
-- 
2.7.4