linux-kernel - [PATCH v3 10/15] staging: ccree: remove useless NULL test of field

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Date:   Sun, 23 Apr 2017 12:26:18 +0300
From:   Gilad Ben-Yossef <gilad@...yossef.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org
Cc:     linux-crypto@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, gilad.benyossef@....com,
        Binoy Jayan <binoy.jayan@...aro.org>,
        Ofir Drang <ofir.drang@....com>,
        Stuart Yoder <stuart.yoder@....com>,
        Stephan Muller <smueller@...onox.de>
Subject: [PATCH v3 10/15] 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@...yossef.com>
Reported-by: kbuild test robot <fengguang.wu@...el.com>
---
 drivers/staging/ccree/ssi_buffer_mgr.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/ccree/ssi_buffer_mgr.c b/drivers/staging/ccree/ssi_buffer_mgr.c
index 0140199..af50904 100644
--- 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);
-- 
2.1.4