linux-kernel - [PATCH v2 06/20] staging: ccree: add parentheses to macro argument

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Date:   Thu,  1 Jun 2017 14:02:56 +0300
From:   Gilad Ben-Yossef <gilad@...yossef.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Joe Perches <joe@...ches.com>, Ofir Drang <ofir.drang@....com>,
        linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
        driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org
Subject: [PATCH v2 06/20] staging: ccree: add parentheses to macro argument

Add parentheses around macro argument to guard against precedence
issues.

Signed-off-by: Gilad Ben-Yossef <gilad@...yossef.com>
---
 drivers/staging/ccree/cc_crypto_ctx.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/ccree/cc_crypto_ctx.h b/drivers/staging/ccree/cc_crypto_ctx.h
index 838e6e4..20f3f9f 100644
--- a/drivers/staging/ccree/cc_crypto_ctx.h
+++ b/drivers/staging/ccree/cc_crypto_ctx.h
@@ -280,7 +280,7 @@ struct drv_ctx_aead {
  * @type: Type of context structure
  * @member: Associated context field
  */
-#define GET_CTX_FIELD_ADDR(ctx, type, member) (ctx + offsetof(type, member))
+#define GET_CTX_FIELD_ADDR(ctx, type, member) ((ctx) + offsetof(type, member))
 
 #endif /* _CC_CRYPTO_CTX_H_ */
 
-- 
2.1.4