[PATCH] usbcore: Use kzalloc instead of kmalloc/memset

This patch (as590) fixes up all the remaining places where usbcore can
use kzalloc rather than kmalloc/memset.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern
2005-10-24 15:38:24 -04:00
committed by Greg Kroah-Hartman
parent b724ae7796
commit 0a1ef3b5a7
6 changed files with 10 additions and 20 deletions

View File

@@ -188,10 +188,9 @@ static int usb_parse_interface(struct device *ddev, int cfgno,
}
len = sizeof(struct usb_host_endpoint) * num_ep;
alt->endpoint = kmalloc(len, GFP_KERNEL);
alt->endpoint = kzalloc(len, GFP_KERNEL);
if (!alt->endpoint)
return -ENOMEM;
memset(alt->endpoint, 0, len);
/* Parse all the endpoint descriptors */
n = 0;
@@ -353,10 +352,9 @@ static int usb_parse_configuration(struct device *ddev, int cfgidx,
}
len = sizeof(*intfc) + sizeof(struct usb_host_interface) * j;
config->intf_cache[i] = intfc = kmalloc(len, GFP_KERNEL);
config->intf_cache[i] = intfc = kzalloc(len, GFP_KERNEL);
if (!intfc)
return -ENOMEM;
memset(intfc, 0, len);
kref_init(&intfc->ref);
}
@@ -459,16 +457,14 @@ int usb_get_configuration(struct usb_device *dev)
}
length = ncfg * sizeof(struct usb_host_config);
dev->config = kmalloc(length, GFP_KERNEL);
dev->config = kzalloc(length, GFP_KERNEL);
if (!dev->config)
goto err2;
memset(dev->config, 0, length);
length = ncfg * sizeof(char *);
dev->rawdescriptors = kmalloc(length, GFP_KERNEL);
dev->rawdescriptors = kzalloc(length, GFP_KERNEL);
if (!dev->rawdescriptors)
goto err2;
memset(dev->rawdescriptors, 0, length);
buffer = kmalloc(USB_DT_CONFIG_SIZE, GFP_KERNEL);
if (!buffer)