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authorNuno Das Neves <nunodasneves@linux.microsoft.com>2025-04-01 10:32:17 -0700
committerWei Liu <wei.liu@kernel.org>2025-04-07 05:39:35 +0000
commit261ffd53cc8e91e6484a3170a1ddf59a16696667 (patch)
tree64f8bf22d861b773c88a18c0415b27c650e1b885
parent0af2f6be1b4281385b618cb86ad946eded089ac8 (diff)
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>
-rw-r--r--drivers/hv/hv_common.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hv/hv_common.c b/drivers/hv/hv_common.c
index b3b11be11650..a7d7494feaca 100644
--- 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);