diff options
Diffstat (limited to 'drivers/usb/serial/digi_acceleport.c')
| -rw-r--r-- | drivers/usb/serial/digi_acceleport.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index bdb58100fc1d..5e3ac281a2f8 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c | |||
| @@ -157,7 +157,7 @@ | |||
| 157 | * to TASK_RUNNING will be lost and write_chan's subsequent call to | 157 | * to TASK_RUNNING will be lost and write_chan's subsequent call to |
| 158 | * schedule() will never return (unless it catches a signal). | 158 | * schedule() will never return (unless it catches a signal). |
| 159 | * This race condition occurs because write_bulk_callback() (and thus | 159 | * This race condition occurs because write_bulk_callback() (and thus |
| 160 | * the wakeup) are called asynchonously from an interrupt, rather than | 160 | * the wakeup) are called asynchronously from an interrupt, rather than |
| 161 | * from the scheduler. We can avoid the race by calling the wakeup | 161 | * from the scheduler. We can avoid the race by calling the wakeup |
| 162 | * from the scheduler queue and that's our fix: Now, at the end of | 162 | * from the scheduler queue and that's our fix: Now, at the end of |
| 163 | * write_bulk_callback() we queue up a wakeup call on the scheduler | 163 | * write_bulk_callback() we queue up a wakeup call on the scheduler |