tree 981933b5f8e6358676474d23eaf906339a81e60b
parent 9e1e9f20ca96026c56ac613317ea4bf01c6c3385
author Jia-Ju Bai <baijiaju1990@gmail.com> 1513157284 +0800
committer Marcel Holtmann <marcel@holtmann.org> 1513172339 +0100

Bluetooth: Fix a possible sleep-in-atomic bug in bluecard_write_wakeup

The driver may sleep in the interrupt handler.
The function call path is:
bluecard_interrupt (interrupt handler)
  bluecard_write_wakeup
    schedule_timeout --> may sleep

To fix it, schedule_timeout is replaced with mdelay.

This bug is found by my static analysis tool(DSAC) and checked by my code review.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>