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USB-serial fixes for v4.8-rc4

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Here are a couple of fixes for non-atomic allocations in write paths,
 and some new option device ids.
 
 Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial fixes for v4.8-rc4

Here are a couple of fixes for non-atomic allocations in write paths,
and some new option device ids.

Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Greg Kroah-Hartman 2016-08-25 17:00:01 -04:00
commit d1228f4ff3
3 changed files with 12 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/usb/serial/mos7720.c
View file

@ -1252,7 +1252,7 @@ static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port,
if (urb->transfer_buffer == NULL) {
urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,
GFP_KERNEL);
GFP_ATOMIC);
if (!urb->transfer_buffer)
goto exit;
}

4
drivers/usb/serial/mos7840.c
View file

@ -1340,8 +1340,8 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port,
}
if (urb->transfer_buffer == NULL) {
urb->transfer_buffer =
kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL);
urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,
GFP_ATOMIC);
if (!urb->transfer_buffer)
goto exit;
}

9
drivers/usb/serial/option.c
View file

@ -525,6 +525,12 @@ static void option_instat_callback(struct urb *urb);
#define VIATELECOM_VENDOR_ID 0x15eb
#define VIATELECOM_PRODUCT_CDS7 0x0001
/* WeTelecom products */
#define WETELECOM_VENDOR_ID 0x22de
#define WETELECOM_PRODUCT_WMD200 0x6801
#define WETELECOM_PRODUCT_6802 0x6802
#define WETELECOM_PRODUCT_WMD300 0x6803
struct option_blacklist_info {
/* bitmask of interface numbers blacklisted for send_setup */
const unsigned long sendsetup;
@ -1991,6 +1997,9 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */
{ USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) },
{ USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) },
{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_6802, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD300, 0xff, 0xff, 0xff) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);