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: e96204e5e96e ("hyperv: Move hv_current_partition_id to arch-generic code")
Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Link: https://lore.kernel.org/r/1743528737-20310-1-git-send-email-nunodasneves@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1743528737-20310-1-git-send-email-nunodasneves@linux.microsoft.com>

diff --git a/drivers/hv/hv_common.c b/drivers/hv/hv_common.c
index b3b11be11650093afb1d7beab766c0dd6c8403f6..a7d7494feaca13aefab22910c83f2a683aad1880 100644 (file)
--- a/drivers/hv/hv_common.c
+++ b/drivers/hv/hv_common.c
@@ -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);