linux-kernel - [PATCH] staging: emxx_udc: use min helper macro for variable comparison

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Date:   Sun, 6 Nov 2022 15:51:58 +0530
From:   Deepak R Varma <drv@...lo.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: emxx_udc: use min helper macro for variable
 comparison

Simplify code by using min helper macros in place of lengthy if/else
block oriented logical evaluation and value assignment. This issue is
identified by coccicheck using the minmax.cocci file.

Signed-off-by: Deepak R Varma <drv@...lo.com>
---
 drivers/staging/emxx_udc/emxx_udc.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c
index b6abd3770e81..b4e19174bef2 100644
--- a/drivers/staging/emxx_udc/emxx_udc.c
+++ b/drivers/staging/emxx_udc/emxx_udc.c
@@ -1004,10 +1004,7 @@ static int _nbu2ss_in_dma(struct nbu2ss_udc *udc, struct nbu2ss_ep *ep,
 	/* MAX Packet Size */
 	mpkt = _nbu2ss_readl(&preg->EP_REGS[num].EP_PCKT_ADRS) & EPN_MPKT;

-	if ((DMA_MAX_COUNT * mpkt) < length)
-		i_write_length = DMA_MAX_COUNT * mpkt;
-	else
-		i_write_length = length;
+	i_write_length = min(DMA_MAX_COUNT * mpkt, length);

 	/*------------------------------------------------------------*/
 	/* Number of transmission packets */
--
2.34.1