scsi: esas2r: Remove unnecessary casts

In a number of places in esas2r_ioctl.c, the void* returned from
pci_alloc_consistent() is cast unnecessarily. Remove casts.

Issue identified with Coccinelle.

Link: https://lore.kernel.org/r/20200820181411.866057-1-alex.dewar90@gmail.com
Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/esas2r/esas2r_ioctl.c b/drivers/scsi/esas2r/esas2r_ioctl.c
index cc620f1..08f4e43 100644 (file)
--- a/drivers/scsi/esas2r/esas2r_ioctl.c
+++ b/drivers/scsi/esas2r/esas2r_ioctl.c
@@ -1548,11 +1548,10 @@ static int allocate_fw_buffers(struct esas2r_adapter *a, u32 length)
 
        a->firmware.orig_len = length;
 
-       a->firmware.data = (u8 *)dma_alloc_coherent(&a->pcid->dev,
-                                                   (size_t)length,
-                                                   (dma_addr_t *)&a->firmware.
-                                                   phys,
-                                                   GFP_KERNEL);
+       a->firmware.data = dma_alloc_coherent(&a->pcid->dev,
+                                             (size_t)length,
+                                             (dma_addr_t *)&a->firmware.phys,
+                                             GFP_KERNEL);
 
        if (!a->firmware.data) {
                esas2r_debug("buffer alloc failed!");
@@ -1895,11 +1894,11 @@ int esas2r_write_vda(struct esas2r_adapter *a, const char *buf, long off,
 
        if (!a->vda_buffer) {
                dma_addr_t dma_addr;
-               a->vda_buffer = (u8 *)dma_alloc_coherent(&a->pcid->dev,
-                                                        (size_t)
-                                                        VDA_MAX_BUFFER_SIZE,
-                                                        &dma_addr,
-                                                        GFP_KERNEL);
+               a->vda_buffer = dma_alloc_coherent(&a->pcid->dev,
+                                                  (size_t)
+                                                  VDA_MAX_BUFFER_SIZE,
+                                                  &dma_addr,
+                                                  GFP_KERNEL);
 
                a->ppvda_buffer = dma_addr;
        }
@@ -2064,11 +2063,10 @@ int esas2r_write_fs(struct esas2r_adapter *a, const char *buf, long off,
 re_allocate_buffer:
                        a->fs_api_buffer_size = length;
 
-                       a->fs_api_buffer = (u8 *)dma_alloc_coherent(
-                               &a->pcid->dev,
-                               (size_t)a->fs_api_buffer_size,
-                               (dma_addr_t *)&a->ppfs_api_buffer,
-                               GFP_KERNEL);
+                       a->fs_api_buffer = dma_alloc_coherent(&a->pcid->dev,
+                                                             (size_t)a->fs_api_buffer_size,
+                                                             (dma_addr_t *)&a->ppfs_api_buffer,
+                                                             GFP_KERNEL);
                }
        }