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VMCI: Use struct_size() in kmalloc()

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Use struct_size() instead of open coding.

Suggested-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20240105164001.2129796-1-harshit.m.mogalapalli@oracle.com
Signed-off-by: Kees Cook <keescook@chromium.org>
This commit is contained in:
Harshit Mogalapalli 2024-01-05 08:39:59 -08:00 committed by Kees Cook
parent 09ce61e27d
commit e03d4910e6
1 changed files with 2 additions and 2 deletions
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4
drivers/misc/vmw_vmci/vmci_datagram.c
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@ -224,8 +224,8 @@ static int dg_dispatch_as_host(u32 context_id, struct vmci_datagram *dg)
return VMCI_ERROR_NO_MEM;
}
dg_info = kmalloc(sizeof(*dg_info) +
(size_t) dg->payload_size, GFP_ATOMIC);
dg_info = kmalloc(struct_size(dg_info, msg_payload, dg->payload_size),
GFP_ATOMIC);
if (!dg_info) {
atomic_dec(&delayed_dg_host_queue_size);
vmci_resource_put(resource);