linux-kernel - [PATCH v2 2/3] staging: fbtft: Replace magic number with constant

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Message-Id: <1487129245-24970-3-git-send-email-me@tobin.cc>
Date:   Wed, 15 Feb 2017 14:27:24 +1100
From:   "Tobin C. Harding" <me@...in.cc>
To:     Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        noralf@...nnes.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        "Tobin C. Harding" <me@...in.cc>
Subject: [PATCH v2 2/3] staging: fbtft: Replace magic number with constant

Current call to strncmp() uses a magic number. There is a compile
time constant defined for this buffer, included and used already at
other sites in the file.

Remove magic number. Replace with pre-existing compile time constant.

Signed-off-by: Tobin C. Harding <me@...in.cc>
---
 drivers/staging/fbtft/fbtft_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/fbtft/fbtft_device.c b/drivers/staging/fbtft/fbtft_device.c
index 7b7223b..5fbdd37 100644
--- a/drivers/staging/fbtft/fbtft_device.c
+++ b/drivers/staging/fbtft/fbtft_device.c
@@ -1489,7 +1489,7 @@ static int __init fbtft_device_init(void)
 	}
 
 	for (i = 0; i < ARRAY_SIZE(displays); i++) {
-		if (strncmp(name, displays[i].name, 32) == 0) {
+		if (strncmp(name, displays[i].name, SPI_NAME_SIZE) == 0) {
 			if (displays[i].spi) {
 				spi = displays[i].spi;
 				spi->chip_select = cs;
-- 
2.7.4