linux-kernel - Re: [PATCH] staging: wilc1000: correct inconsistent indenting

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Date:   Wed, 28 Nov 2018 22:24:38 -0800
From:   Joe Perches <joe@...ches.com>
To:     Michael Straube <straube.linux@...il.com>,
        gregkh@...uxfoundation.org
Cc:     ajay.kathat@...rochip.com, adham.abozaeid@...rochip.com,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: wilc1000: correct inconsistent indenting

On Wed, 2018-11-28 at 19:17 +0100, Michael Straube wrote:
> Correct inconsistent indenting reported by smatch.
[]
> diff --git a/drivers/staging/wilc1000/wilc_spi.c b/drivers/staging/wilc1000/wilc_spi.c
[]
> @@ -963,7 +963,7 @@ static int wilc_spi_read_int(struct wilc *wilc, u32 *int_status)
>  			dev_err(&spi->dev,
>  				"Unexpected interrupt(2):j=%d,tmp=%x,mask=%x\n",
>  				j, tmp, unknown_mask);
> -				happened = 1;
> +			happened = 1;s a
>  		}
>  
>  		j++;

Perhaps a little refactoring instead
---
 drivers/staging/wilc1000/wilc_spi.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/wilc1000/wilc_spi.c b/drivers/staging/wilc1000/wilc_spi.c
index 35ff432587fe..a38ddb1f0a1f 100644
--- a/drivers/staging/wilc1000/wilc_spi.c
+++ b/drivers/staging/wilc1000/wilc_spi.c
@@ -927,7 +927,8 @@ static int wilc_spi_read_int(struct wilc *wilc, u32 *int_status)
 	int ret;
 	u32 tmp;
 	u32 byte_cnt;
-	int happened, j;
+	bool unexpected_irq;
+	int j;
 	u32 unknown_mask;
 	u32 irq_flags;
 	int k = IRG_FLAGS_OFFSET + 5;
@@ -947,8 +948,6 @@ static int wilc_spi_read_int(struct wilc *wilc, u32 *int_status)
 
 	j = 0;
 	do {
-		happened = 0;
-
 		wilc_spi_read_reg(wilc, 0x1a90, &irq_flags);
 		tmp |= ((irq_flags >> 27) << IRG_FLAGS_OFFSET);
 
@@ -959,15 +958,14 @@ static int wilc_spi_read_int(struct wilc *wilc, u32 *int_status)
 
 		unknown_mask = ~((1ul << spi_priv->nint) - 1);
 
-		if ((tmp >> IRG_FLAGS_OFFSET) & unknown_mask) {
+		unexpected_irq = (tmp >> IRG_FLAGS_OFFSET) & unknown_mask;
+		if (unexpected_irq)
 			dev_err(&spi->dev,
 				"Unexpected interrupt(2):j=%d,tmp=%x,mask=%x\n",
 				j, tmp, unknown_mask);
-				happened = 1;
-		}
 
 		j++;
-	} while (happened);
+	} while (unexpected_irq);
 
 	*int_status = tmp;