scsi: ibmvscsi: Remove unnecessary cast

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

Link: https://lore.kernel.org/r/1615515534-1250-1-git-send-email-wangqing@vivo.com
Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index bef8982..f33f566 100644 (file)
--- 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) {