2006-01-16 11:59:16

by Jes Sorensen

[permalink] [raw]
Subject: [patch] snsc kmalloc2kzalloc

Hi,

A small cleanup patch - kmalloc to kzalloac

Cheers,
Jes

Change driver to use kzalloc rather than kmalloc+memset

Signed-off-by: Jes Sorensen <[email protected]>

----

drivers/char/snsc.c | 8 +++-----
drivers/char/snsc_event.c | 7 ++-----
2 files changed, 5 insertions(+), 10 deletions(-)

Index: linux-2.6/drivers/char/snsc.c
===================================================================
--- linux-2.6.orig/drivers/char/snsc.c
+++ linux-2.6/drivers/char/snsc.c
@@ -5,7 +5,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 2004 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 2004, 2006 Silicon Graphics, Inc. All rights reserved.
*/

/*
@@ -77,7 +77,7 @@
scd = container_of(inode->i_cdev, struct sysctl_data_s, scd_cdev);

/* allocate memory for subchannel data */
- sd = kmalloc(sizeof (struct subch_data_s), GFP_KERNEL);
+ sd = kzalloc(sizeof (struct subch_data_s), GFP_KERNEL);
if (sd == NULL) {
printk("%s: couldn't allocate subchannel data\n",
__FUNCTION__);
@@ -85,7 +85,6 @@
}

/* initialize subch_data_s fields */
- memset(sd, 0, sizeof (struct subch_data_s));
sd->sd_nasid = scd->scd_nasid;
sd->sd_subch = ia64_sn_irtr_open(scd->scd_nasid);

@@ -394,7 +393,7 @@
sprintf(devnamep, "#%d", geo_slab(geoid));

/* allocate sysctl device data */
- scd = kmalloc(sizeof (struct sysctl_data_s),
+ scd = kzalloc(sizeof (struct sysctl_data_s),
GFP_KERNEL);
if (!scd) {
printk("%s: failed to allocate device info"
@@ -402,7 +401,6 @@
SYSCTL_BASENAME, devname);
continue;
}
- memset(scd, 0, sizeof (struct sysctl_data_s));

/* initialize sysctl device data fields */
scd->scd_nasid = cnodeid_to_nasid(cnode);
Index: linux-2.6/drivers/char/snsc_event.c
===================================================================
--- linux-2.6.orig/drivers/char/snsc_event.c
+++ linux-2.6/drivers/char/snsc_event.c
@@ -5,7 +5,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 2004 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 2004, 2006 Silicon Graphics, Inc. All rights reserved.
*/

/*
@@ -271,7 +271,7 @@
{
int rv;

- event_sd = kmalloc(sizeof (struct subch_data_s), GFP_KERNEL);
+ event_sd = kzalloc(sizeof (struct subch_data_s), GFP_KERNEL);
if (event_sd == NULL) {
printk(KERN_WARNING "%s: couldn't allocate subchannel info"
" for event monitoring\n", __FUNCTION__);
@@ -279,7 +279,6 @@
}

/* initialize subch_data_s fields */
- memset(event_sd, 0, sizeof (struct subch_data_s));
event_sd->sd_nasid = scd->scd_nasid;
spin_lock_init(&event_sd->sd_rlock);

@@ -305,5 +304,3 @@
return;
}
}
-
-