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path: root/drivers/usb/core
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Diffstat (limited to 'drivers/usb/core')
-rw-r--r--drivers/usb/core/devio.c7
-rw-r--r--drivers/usb/core/hub.c2
-rw-r--r--drivers/usb/core/message.c6
3 files changed, 8 insertions, 7 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 76e16c5251b9..476dcc5f2da3 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -897,7 +897,7 @@ static int parse_usbdevfs_streams(struct usb_dev_state *ps,
if (num_streams_ret && (num_streams < 2 || num_streams > 65536))
return -EINVAL;
- eps = kmalloc(num_eps * sizeof(*eps), GFP_KERNEL);
+ eps = kmalloc_array(num_eps, sizeof(*eps), GFP_KERNEL);
if (!eps)
return -ENOMEM;
@@ -1602,8 +1602,9 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
as->mem_usage = u;
if (num_sgs) {
- as->urb->sg = kmalloc(num_sgs * sizeof(struct scatterlist),
- GFP_KERNEL);
+ as->urb->sg = kmalloc_array(num_sgs,
+ sizeof(struct scatterlist),
+ GFP_KERNEL);
if (!as->urb->sg) {
ret = -ENOMEM;
goto error;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 26c2438d2889..fcae521df29b 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1376,7 +1376,7 @@ static int hub_configure(struct usb_hub *hub,
dev_info(hub_dev, "%d port%s detected\n", maxchild,
(maxchild == 1) ? "" : "s");
- hub->ports = kzalloc(maxchild * sizeof(struct usb_port *), GFP_KERNEL);
+ hub->ports = kcalloc(maxchild, sizeof(struct usb_port *), GFP_KERNEL);
if (!hub->ports) {
ret = -ENOMEM;
goto fail;
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 7b137003c2be..1a15392326fc 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -390,7 +390,7 @@ int usb_sg_init(struct usb_sg_request *io, struct usb_device *dev,
}
/* initialize all the urbs we'll use */
- io->urbs = kmalloc(io->entries * sizeof(*io->urbs), mem_flags);
+ io->urbs = kmalloc_array(io->entries, sizeof(*io->urbs), mem_flags);
if (!io->urbs)
goto nomem;
@@ -1824,8 +1824,8 @@ int usb_set_configuration(struct usb_device *dev, int configuration)
n = nintf = 0;
if (cp) {
nintf = cp->desc.bNumInterfaces;
- new_interfaces = kmalloc(nintf * sizeof(*new_interfaces),
- GFP_NOIO);
+ new_interfaces = kmalloc_array(nintf, sizeof(*new_interfaces),
+ GFP_NOIO);
if (!new_interfaces)
return -ENOMEM;