Messages in this thread | | | Date | Thu, 21 Feb 2019 15:42:17 +0100 | From | Greg Kroah-Hartman <> | Subject | Re: [GIT PULL 6/7] stm class: Fix an endless loop in channel allocation |
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On Thu, Feb 21, 2019 at 03:49:58PM +0200, Alexander Shishkin wrote: > From: Zhi Jin <zhi.jin@intel.com> > > There is a bug in the channel allocation logic that leads to an endless > loop when looking for a contiguous range of channels in a range with a > mixture of free and occupied channels. For example, opening three > consequtive channels, closing the first two and requesting 4 channels in > a row will trigger this soft lockup. The bug is that the search loop > forgets to skip over the range once it detects that one channel in that > range is occupied. > > Restore the original intent to the logic by fixing the omission. > > Fixes: 7bd1d4093c2f ("stm class: Introduce an abstraction for System Trace Module devices") > Signed-off-by: Zhi Jin <zhi.jin@intel.com> > Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
This should have a cc: stable in it, right?
thanks,
greg k-h
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