linux-kernel - [PATCH v2 5/5] Staging: panel: Make code more readable

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Message-Id: <bb8b00faa2ac3655ea262d5f6c5b75f2053303a7.1451849644.git.ksenija.stanojevic@gmail.com>
Date:	Sun,  3 Jan 2016 20:44:44 +0100
From:	Ksenija Stanojevic <ksenija.stanojevic@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	willy@...a-x.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org,
	Ksenija Stanojevic <ksenija.stanojevic@...il.com>
Subject: [PATCH v2 5/5] Staging: panel: Make code more readable

Repace 'for' statement by strchr() function to make code more readable.

Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@...il.com>
---
v2: use strchr().
 drivers/staging/panel/panel.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index fcfcda7..1219ff7 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -2043,7 +2043,7 @@ static void init_scan_timer(void)
 static u8 input_name2mask(const char *name, __u64 *mask, __u64 *value,
 			  u8 *imask, u8 *omask)
 {
-	static char sigtab[10] = "EeSsPpAaBb";
+	const char sigtab[] = "EeSsPpAaBb";
 	u8 im, om;
 	__u64 m, v;
 
@@ -2053,13 +2053,13 @@ static u8 input_name2mask(const char *name, __u64 *mask, __u64 *value,
 	v = 0ULL;
 	while (*name) {
 		int in, out, bit, neg;
+		const char *idx;
 
-		for (in = 0; (in < sizeof(sigtab)) && (sigtab[in] != *name);
-		     in++)
-			;
-
-		if (in >= sizeof(sigtab))
+		idx = strchr(sigtab, *name);
+		if (!idx)
 			return 0;	/* input name not found */
+
+		in = idx - sigtab;
 		neg = (in & 1);	/* odd (lower) names are negated */
 		in >>= 1;
 		im |= BIT(in);
-- 
1.9.1

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