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hv: dm: fix "Procedure has more than one exit point"

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IEC 61508,ISO 26262 standards highly recommend single-exit rule.

Reduce the count of the "return entries".
Fix the violations which is comply with the cases list below:
1.Function has 2 return entries.
2.The first return entry is used to return the error code of
checking variable whether is valid.

Fix the violations in "if else" format.
V1->V2:
    make the return value match to int32_t

Tracked-On: #861
Signed-off-by: Huihuang Shi <huihuang.shi@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Huihuang Shi
2018-11-28 10:22:18 +08:00
committed by lijinxia
parent ab3d7c87fd
commit 8dfb9bd9c0
5 changed files with 139 additions and 133 deletions
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8
hypervisor/include/dm/vpci.h
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@@ -34,14 +34,14 @@
struct pci_vdev;
struct pci_vdev_ops {
int (*init)(struct pci_vdev *vdev);
int32_t (*init)(struct pci_vdev *vdev);
int (*deinit)(struct pci_vdev *vdev);
int32_t (*deinit)(struct pci_vdev *vdev);
int (*cfgwrite)(struct pci_vdev *vdev, uint32_t offset,
uint32_t bytes, uint32_t val);
int (*cfgread)(struct pci_vdev *vdev, uint32_t offset,
int32_t (*cfgread)(struct pci_vdev *vdev, uint32_t offset,
uint32_t bytes, uint32_t *val);
};
@@ -125,7 +125,7 @@ struct pci_addr_info {
};
struct vpci_ops {
int (*init)(struct acrn_vm *vm);
int32_t (*init)(struct acrn_vm *vm);
void (*deinit)(struct acrn_vm *vm);
void (*cfgread)(struct vpci *vpci, union pci_bdf vbdf, uint32_t offset,
uint32_t bytes, uint32_t *val);