linux

iv/linux

History

Jia-Ju Bai 705f385849 rtl8188eu: Fix a possible sleep-in-atomic bug in set_tx_beacon_cmd

The driver may sleep under a spinlock.
The function call path is:
update_beacon (acquire the spinlock)
  update_BCNTIM
    set_tx_beacon_cmd
      kzalloc(GFP_KERNEL) --> may sleep
      kmemdup(GFP_KERNEL) --> may sleep

To fix it, GFP_KERNEL is replaced with GFP_ATOMIC.

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2017-12-13 12:48:46 +01:00

core

rtl8188eu: Fix a possible sleep-in-atomic bug in set_tx_beacon_cmd

2017-12-13 12:48:46 +01:00

hal

Staging/IIO patches for 4.15-rc1

2017-11-13 20:53:28 -08:00

include

Staging/IIO patches for 4.15-rc1

2017-11-13 20:53:28 -08:00

os_dep

staging: rtl8188eu: Fix incorrect response to SIOCGIWESSID