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USB-serial fixes for v3.18-rc4 

Two fixes of non-atomic allocations in write paths.
 
 Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial fixes for v3.18-rc4

Two fixes of non-atomic allocations in write paths.

Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Greg Kroah-Hartman 2014-11-06 12:22:36 -08:00
parent f20531a9aa e681286de2
commit 5002921407
2 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/usb/serial/kobil_sct.c
View File

@ -335,7 +335,8 @@ static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
port->interrupt_out_urb->transfer_buffer_length = length;
priv->cur_pos = priv->cur_pos + length;
result = usb_submit_urb(port->interrupt_out_urb, GFP_NOIO);
result = usb_submit_urb(port->interrupt_out_urb,
GFP_ATOMIC);
dev_dbg(&port->dev, "%s - Send write URB returns: %i\n", __func__, result);
todo = priv->filled - priv->cur_pos;
@ -350,7 +351,7 @@ static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) {
result = usb_submit_urb(port->interrupt_in_urb,
GFP_NOIO);
GFP_ATOMIC);
dev_dbg(&port->dev, "%s - Send read URB returns: %i\n", __func__, result);
}
}

2
drivers/usb/serial/opticon.c
View File

@ -215,7 +215,7 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,
/* The connected devices do not have a bulk write endpoint,
* to transmit data to de barcode device the control endpoint is used */
dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_NOIO);
dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
if (!dr) {
count = -ENOMEM;
goto error_no_dr;