linux-kernel - [PATCH v2] staging: ccree: Fix bool comparison

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Date:   Wed, 18 Oct 2017 07:40:14 +0530
From:   sunil.m@...hveda.org
To:     gilad@...yossef.com, gregkh@...uxfoundation.org, me@...in.cc
Cc:     linux-crypto@...r.kernel.org,
        driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, karthik@...hveda.org,
        Suniel Mahesh <sunil.m@...hveda.org>
Subject: [PATCH v2] staging: ccree: Fix bool comparison

From: Suniel Mahesh <sunil.m@...hveda.org>

Comparision operator "equal to" not required on a variable
"foo" of type "bool". Bool has only two values, can be used
directly or with logical not.

This fixes the following coccinelle warning:
WARNING: Comparison of bool to 0/1

Signed-off-by: Suniel Mahesh <sunil.m@...hveda.org>
---
Changes for v2:
- Changed the commit log to give a more accurate description
  of the changeset as suggested by Toby C.Harding
---
Note:
- Patch was built(ARCH=arm) on latest linux-next.
- No build issues reported, however it was not
  tested on real hardware.
- Please discard this changeset, if this is not
  helping the code look better.
---
 drivers/staging/ccree/ssi_request_mgr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/ccree/ssi_request_mgr.c b/drivers/staging/ccree/ssi_request_mgr.c
index 2e0df57..942afe2 100644
--- a/drivers/staging/ccree/ssi_request_mgr.c
+++ b/drivers/staging/ccree/ssi_request_mgr.c
@@ -272,7 +272,7 @@ int send_request(
 	unsigned int max_required_seq_len = (total_seq_len +
 					((ssi_req->ivgen_dma_addr_len == 0) ? 0 :
 					SSI_IVPOOL_SEQ_LEN) +
-					((is_dout == 0) ? 1 : 0));
+					(!is_dout ? 1 : 0));
 
 #if defined(CONFIG_PM_RUNTIME) || defined(CONFIG_PM_SLEEP)
 	rc = ssi_power_mgr_runtime_get(dev);
-- 
1.9.1