Re: [PATCH] scsi: rdac: Keep the error status when controller lookup fails

[Martin K. Petersen (Oracle)]

On Mon, 26 Oct 2026 19:54:09 +0800, shao.mingyin@xxxxxxxxxx wrote:

> initialize_controller() records SCSI_DH_RES_TEMP_UNAVAIL when
> get_controller() fails, but then overwrites it with SCSI_DH_OK
> unconditionally. It therefore reports success with h->ctlr == NULL and
> rdac_bus_attach() continues with check_ownership(), which dereferences
> h->ctlr:
> 
>   BUG: kernel NULL pointer dereference, address: 0000000000000000
>   ...
>   check_ownership
>   rdac_bus_attach
> 
> [...]

Applied to 7.4/scsi-fixes, thanks!

[1/1] scsi: rdac: Keep the error status when controller lookup fails
      https://git.kernel.org/mkp/scsi/c/46846939d5f3

-- 
Martin K. Petersen