RE: [PATCH 1/1] v4l: mem2mem_testdev: Fix race conditions in driver.

2012-05-09 Thread Marek Szyprowski
Hi Tomasz, On Monday, May 07, 2012 10:39 PM Tomasz Moń wrote: > The mem2mem_testdev allows multiple instances to be opened in parallel. > Source and destination queue data are being shared between all > instances, which can lead to kernel oops due to race conditions (most > likely to happen insid

[PATCH 1/1] v4l: mem2mem_testdev: Fix race conditions in driver.

2012-05-07 Thread Tomasz Moń
The mem2mem_testdev allows multiple instances to be opened in parallel. Source and destination queue data are being shared between all instances, which can lead to kernel oops due to race conditions (most likely to happen inside device_run()). Attached patch fixes mentioned problem by storing queu