Re: [PATCH] powerpc/pseries/msi: Fix NULL pointer dereference at irq domain teardown

On Fri, 10 Oct 2025 12:03:07 +0000, Nam Cao wrote:

pseries_msi_ops_teardown() reads pci_dev* from msi_alloc_info_t. However,
pseries_msi_ops_prepare() does not populate this structure, thus it is all
zeros. Consequently, pseries_msi_ops_teardown() triggers a NULL pointer
dereference crash.

struct pci_dev is available in struct irq_domain. Read it there instead.

[...]

Applied to powerpc/fixes.

[1/1] powerpc/pseries/msi: Fix NULL pointer dereference at irq domain teardown
      https://git.kernel.org/powerpc/c/ef3e73a917ec7d080e0fb0e4015098a4fb0f1cff

Thanks