Re: [PATCH] staging: pi433: add mutex fixing race condition when accessing tx_cfg

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> We read the data from the user here and then we write it to the fifo
> in pi433_write().  We should be using the device->tx_fifo_lock so that
> we don't copy over the data at the same time we're writing it to the
> fifo.

Oh right, that makes the bug even worse.

In this case we don't even need to introduce a new lock, using
device->tx_fifo_lock should be fine. I'll update the patch.

-- 
             Hugo Lefeuvre (hle)    |    www.owl.eu.com
4096/ 9C4F C8BF A4B0 8FC5 48EB 56B8 1962 765B B9A8 BACA

Attachment: signature.asc
Description: PGP signature

_______________________________________________
Kernelnewbies mailing list
Kernelnewbies@xxxxxxxxxxxxxxxxx
https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

[Index of Archives]     [Newbies FAQ]     [Linux Kernel Mentors]     [Linux Kernel Development]     [IETF Annouce]     [Git]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux SCSI]     [Linux ACPI]

  Powered by Linux