[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>
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 99595e0..63f374e6 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -188,10 +188,9 @@
}
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 @@
}
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 @@
}
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)