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SubjectRe: [PATCH] iommu: check if group is NULL before remove device
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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