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scsi: lpfc: Use struct_size() helper

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Prefer struct_size() over open-coded versions of idiom:

sizeof(struct-with-flex-array) + sizeof(typeof-flex-array-elements) * count

where count is the max number of items the flexible array is supposed to
contain.

Link: https://github.com/KSPP/linux/issues/160
Co-developed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Co-developed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20230531223319.24328-1-justintee8345@gmail.com
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Justin Tee 2023-05-31 15:33:19 -07:00 committed by Martin K. Petersen
parent 9c24f90f6a
commit bb26224ed4
1 changed files with 2 additions and 4 deletions
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6
drivers/scsi/lpfc/lpfc_ct.c
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@ -3748,8 +3748,7 @@ lpfc_vmid_cmd(struct lpfc_vport *vport,
rap->obj[0].entity_id_len = vmid->vmid_len;
memcpy(rap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
size = RAPP_IDENT_OFFSET +
sizeof(struct lpfc_vmid_rapp_ident_list) +
sizeof(struct entity_id_object);
struct_size(rap, obj, be32_to_cpu(rap->no_of_objects));
retry = 1;
break;
@ -3768,8 +3767,7 @@ lpfc_vmid_cmd(struct lpfc_vport *vport,
dap->obj[0].entity_id_len = vmid->vmid_len;
memcpy(dap->obj[0].entity_id, vmid->host_vmid, vmid->vmid_len);
size = DAPP_IDENT_OFFSET +
sizeof(struct lpfc_vmid_dapp_ident_list) +
sizeof(struct entity_id_object);
struct_size(dap, obj, be32_to_cpu(dap->no_of_objects));
write_lock(&vport->vmid_lock);
vmid->flag &= ~LPFC_VMID_REGISTERED;
write_unlock(&vport->vmid_lock);