linux-kernel - [PATCH] staging: lustre: lustre: obdclass: lprocfs_status.c: Removed an unnecessary NULL check

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Date:	Wed, 17 Dec 2014 23:05:00 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Oleg Drokin <oleg.drokin@...el.com>,
	Andreas Dilger <andreas.dilger@...el.com>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Julia Lawall <Julia.Lawall@...6.fr>,
	Greg Donald <gdonald@...il.com>,
	"John L. Hammond" <john.hammond@...el.com>,
	Andriy Skulysh <Andriy_Skulysh@...atex.com>,
	Fabian Frederick <fabf@...net.be>,
	James Simmons <uja.ornl@...il.com>, HPDD-discuss@...ts.01.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: lustre: lustre: obdclass: lprocfs_status.c:  Removed an unnecessary NULL check

Removed an unnecessary NULL check. And clarified a switch statement.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/staging/lustre/lustre/obdclass/lprocfs_status.c |   15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
index 61e04af..bf3353f 100644
--- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
+++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
@@ -45,6 +45,7 @@
 #include "../include/lprocfs_status.h"
 #include "../include/lustre/lustre_idl.h"
 #include <linux/seq_file.h>
+#include <linux/ctype.h>
 
 static const char * const obd_connect_names[] = {
 	"read_only",
@@ -1882,7 +1883,7 @@ int lprocfs_write_frac_u64_helper(const char *buffer, unsigned long count,
 	if (pbuf == end)
 		return -EINVAL;
 
-	if (end != NULL && *end == '.') {
+	if (*end == '.') {
 		int i;
 		pbuf = end + 1;
 
@@ -1897,16 +1898,16 @@ int lprocfs_write_frac_u64_helper(const char *buffer, unsigned long count,
 	}
 
 	units = 1;
-	switch (*end) {
-	case 'p': case 'P':
+	switch (tolower(*end)) {
+	case 'p':
 		units <<= 10;
-	case 't': case 'T':
+	case 't':
 		units <<= 10;
-	case 'g': case 'G':
+	case 'g':
 		units <<= 10;
-	case 'm': case 'M':
+	case 'm':
 		units <<= 10;
-	case 'k': case 'K':
+	case 'k':
 		units <<= 10;
 	}
 	/* Specified units override the multiplier */
-- 
1.7.10.4

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