Messages in this thread | | | Date | Thu, 15 Jul 2021 09:20:04 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH] iommu: check if group is NULL before remove device |
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On Thu, Jul 15, 2021 at 09:11:50AM +0200, Frank Wunderlich wrote: > From: Frank Wunderlich <frank-w@public-files.de> > > if probe is failing, iommu_group may be not initialized,
Sentences start with capital letters.
IOMMU patch subjects too, after the 'iommu:' prefix.
> so freeing it will result in NULL pointer access
Please describe in more detail how this NULL-ptr dereference is triggered.
Regards,
Joerg
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