linux-kernel - [PATCH] drivers/scs/scsi_sysfs.c: local variables should not be exposed globally

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Message-ID: <201204161832.18848.hartleys@visionengravers.com>
Date:	Mon, 16 Apr 2012 18:32:18 -0700
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
CC:	<linux-scsi@...r.kernel.org>, <JBottomley@...allels.com>
Subject: [PATCH] drivers/scs/scsi_sysfs.c: local variables should not be exposed globally

Variables not referenced outside of a source file should be marked
static to prevent it from being exposed globally.

This quiets the sparse warnings:

warning: symbol 'dev_attr_hstate' was not declared. Should it be static?
warning: symbol 'scsi_shost_attr_group' was not declared. Should it be static?

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: "James E.J. Bottomley" <JBottomley@...allels.com>

---

diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 04c2a27..fbff014 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -197,7 +197,7 @@ show_shost_state(struct device *dev, struct device_attribute *attr, char *buf)
 }
 
 /* DEVICE_ATTR(state) clashes with dev_attr_state for sdev */
-struct device_attribute dev_attr_hstate =
+static struct device_attribute dev_attr_hstate =
 	__ATTR(state, S_IRUGO | S_IWUSR, show_shost_state, store_shost_state);
 
 static ssize_t
@@ -313,7 +313,7 @@ static struct attribute *scsi_sysfs_shost_attrs[] = {
 	NULL
 };
 
-struct attribute_group scsi_shost_attr_group = {
+static struct attribute_group scsi_shost_attr_group = {
 	.attrs =	scsi_sysfs_shost_attrs,
 };
 
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