hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

cdc-acm: convert to not directly using urb->status 

A step on the road to passing status as a parameter

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oliver Neukum 2015-03-20 11:41:06 +01:00 committed by Greg Kroah-Hartman
parent 6c8074e90c
commit 4132cd02db
1 changed files with 4 additions and 3 deletions
drivers/usb/class
cdc-acm.c

7
drivers/usb/class/cdc-acm.c
View File

@ -428,7 +428,7 @@ static void acm_read_bulk_callback(struct urb *urb)
return; return;
} }
if (urb->status) { if (status) {
set_bit(rb->index, &acm->read_urbs_free); set_bit(rb->index, &acm->read_urbs_free);
dev_dbg(&acm->data->dev, "%s - non-zero urb status: %d\n", dev_dbg(&acm->data->dev, "%s - non-zero urb status: %d\n",
__func__, status); __func__, status);
@ -462,13 +462,14 @@ static void acm_write_bulk(struct urb *urb)
struct acm_wb *wb = urb->context; struct acm_wb *wb = urb->context;
struct acm *acm = wb->instance; struct acm *acm = wb->instance;
unsigned long flags; unsigned long flags;
int status = urb->status;
if (urb->status || (urb->actual_length != urb->transfer_buffer_length)) if (status || (urb->actual_length != urb->transfer_buffer_length))
dev_vdbg(&acm->data->dev, "%s - len %d/%d, status %d\n", dev_vdbg(&acm->data->dev, "%s - len %d/%d, status %d\n",
__func__, __func__,
urb->actual_length, urb->actual_length,
urb->transfer_buffer_length, urb->transfer_buffer_length,
urb->status); status);
spin_lock_irqsave(&acm->write_lock, flags); spin_lock_irqsave(&acm->write_lock, flags);
acm_write_done(acm, wb); acm_write_done(acm, wb);