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authorMark Brown <broonie@linaro.org>2014-04-29 10:01:28 -0700
committerMark Brown <broonie@linaro.org>2014-04-29 10:01:28 -0700
commit3e93457b45a1a8c69227ce596ee2005fa06f20dd (patch)
tree248c27e432533b1af80a9b2240eaa8e48e3b87cc /drivers/usb/serial/usb_wwan.c
parent290414499cf94284a97cc3c33214d13ccfcd896a (diff)
parentc42ba72ec3a7a1b6aa30122931f1f4b91b601c31 (diff)
Merge tag 'ib-mfd-regulator-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into regulator-tps65090
Immutable branch between MFD and Regulator due for v3.16 merge-window.
Diffstat (limited to 'drivers/usb/serial/usb_wwan.c')
-rw-r--r--drivers/usb/serial/usb_wwan.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index 640fe0173236..b078440e822f 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -466,6 +466,9 @@ int usb_wwan_port_probe(struct usb_serial_port *port)
int err;
int i;
+ if (!port->bulk_in_size || !port->bulk_out_size)
+ return -ENODEV;
+
portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
if (!portdata)
return -ENOMEM;
@@ -473,9 +476,6 @@ int usb_wwan_port_probe(struct usb_serial_port *port)
init_usb_anchor(&portdata->delayed);
for (i = 0; i < N_IN_URB; i++) {
- if (!port->bulk_in_size)
- break;
-
buffer = (u8 *)__get_free_page(GFP_KERNEL);
if (!buffer)
goto bail_out_error;
@@ -489,9 +489,6 @@ int usb_wwan_port_probe(struct usb_serial_port *port)
}
for (i = 0; i < N_OUT_URB; i++) {
- if (!port->bulk_out_size)
- break;
-
buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
if (!buffer)
goto bail_out_error2;