usb: frmnet: Fix memory allocation flags
Change memory allocation flag from KERNEL to ATOMIC if allocation
is being done in interrupt context or while holding spinlock
Change-Id: Ia1f17c1100437f5c338e5ec2158aa5732abc1e41
Signed-off-by: Vamsi Krishna <vskrishn@codeaurora.org>
diff --git a/drivers/usb/gadget/f_rmnet.c b/drivers/usb/gadget/f_rmnet.c
index 69f158a..6f0fb07 100644
--- a/drivers/usb/gadget/f_rmnet.c
+++ b/drivers/usb/gadget/f_rmnet.c
@@ -444,7 +444,7 @@
event->wIndex = cpu_to_le16(dev->ifc_id);
event->wLength = cpu_to_le16(0);
- status = usb_ep_queue(dev->notify, dev->notify_req, GFP_KERNEL);
+ status = usb_ep_queue(dev->notify, dev->notify_req, GFP_ATOMIC);
if (status < 0) {
if (!atomic_read(&dev->online))
return;
@@ -789,8 +789,12 @@
spin_lock_irqsave(&dev->lock, flags);
dev->cdev = c->cdev;
f = &dev->port.func;
- f->name = kasprintf(GFP_KERNEL, "rmnet%d", portno);
+ f->name = kasprintf(GFP_ATOMIC, "rmnet%d", portno);
spin_unlock_irqrestore(&dev->lock, flags);
+ if (!f->name) {
+ pr_err("%s: cannot allocate memory for name\n", __func__);
+ return -ENOMEM;
+ }
f->strings = rmnet_strings;
f->bind = frmnet_bind;