Commit 261ffd53 authored by Nuno Das Neves's avatar Nuno Das Neves Committed by Wei Liu
Browse files

Drivers: hv: Fix bad pointer dereference in hv_get_partition_id 



'output' is already a pointer to the output argument, it should be
passed directly to hv_do_hypercall() without the '&' operator.

Fixes: e96204e5 ("hyperv: Move hv_current_partition_id to arch-generic code")
Signed-off-by: default avatarNuno Das Neves <nunodasneves@linux.microsoft.com>
Reviewed-by: default avatarMichael Kelley <mhklinux@outlook.com>
Link: https://lore.kernel.org/r/1743528737-20310-1-git-send-email-nunodasneves@linux.microsoft.com


Signed-off-by: default avatarWei Liu <wei.liu@kernel.org>
Message-ID: <1743528737-20310-1-git-send-email-nunodasneves@linux.microsoft.com>
parent 0af2f6be

drivers/hv/hv_common.c

+1 −1
Original line number Diff line number Diff line
@@ -307,7 +307,7 @@ void __init hv_get_partition_id(void) 


	local_irq_save(flags);

	output = *this_cpu_ptr(hyperv_pcpu_input_arg);

	status = hv_do_hypercall(HVCALL_GET_PARTITION_ID, NULL, &output);

	status = hv_do_hypercall(HVCALL_GET_PARTITION_ID, NULL, output);

	pt_id = output->partition_id;

	local_irq_restore(flags);