APPLIED: [SRU][Trusty][Vivid][Wily][Xenial][PATCH 0/1] UBUNTU: SAUCE: scsi_sysfs: protect against double execution of __scsi_remove_device()

[Kamal Mostafa]

On Tue, 2015-11-17 at 13:58 -0800, Kamal Mostafa wrote:
> On Thu, 2015-11-12 at 15:57 -0500, Joseph Salisbury wrote:
> > BugLink: http://bugs.launchpad.net/bugs/1509029
> > 
> > == Justification ==
> > 
> > [Hyper-V] Crash in hot-add/remove scsi devices (smp).  On some host errors 
> > storvsc module tries to remove sdev by scheduling a job, which will cause a crash.
> > 
> > The problem comes with the fact that many such jobs (for the same device)
> > are being scheduled simultaneously.   
> > 
> > This patch fixes this bug for Trusty, Vivid, Wily and Xenial and applies cleanly to all
> > releases.  The patch has been sent upstream, but it has not yet been applied.  
> > 
> > Upstream Thread: https://lkml.org/lkml/2015/11/6/474
> > 
> 
> 
> Applied to [Trusty][Vivid][Wily][Xenial].
> 
>  -Kamal
> 
> 
> > == Fix ==
> > 
> > Author: Joseph Salisbury <joseph.salisbury at canonical.com>
> > Date:   Thu Nov 12 15:40:10 2015 -0500
> > 
> >     UBUNTU: SAUCE: scsi_sysfs: protect against double execution of  __scsi_remove_device()
> > 
> > 
> > 
> > == Test Case ==
> > 
> > A test kernel was built with this patch and tested by the original bug reporter.
> > The bug reporter states the test kernel resolved the bug.
> > 
> > 
> > 
> > Joseph Salisbury (1):
> >   UBUNTU: SAUCE: scsi_sysfs: protect against double execution of
> > 
> >  drivers/scsi/scsi_sysfs.c | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> > 
> > -- 
> > 1.9.1
> > 
> > 
> 
>