staging: ccree: remove useless NULL test of field

Remove kbuild test robot reported NULL check for a struct field address.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/ccree/ssi_buffer_mgr.c b/drivers/staging/ccree/ssi_buffer_mgr.c
index 0140199..af50904 100644 (file)
--- a/drivers/staging/ccree/ssi_buffer_mgr.c
+++ b/drivers/staging/ccree/ssi_buffer_mgr.c
@@ -755,9 +755,7 @@ void ssi_buffer_mgr_unmap_aead_request(
                                AES_BLOCK_SIZE, DMA_TO_DEVICE);
                }
 
-               if (&areq_ctx->ccm_adata_sg != NULL)
-                       dma_unmap_sg(dev, &areq_ctx->ccm_adata_sg,
-                               1, DMA_TO_DEVICE);
+               dma_unmap_sg(dev, &areq_ctx->ccm_adata_sg, 1, DMA_TO_DEVICE);
        }
        if (areq_ctx->gen_ctx.iv_dma_addr != 0) {
                SSI_RESTORE_DMA_ADDR_TO_48BIT(areq_ctx->gen_ctx.iv_dma_addr);