[action] [PR:3750] display proper message with proper errno for kvm.#192
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#### What I did
In KVM, there is no system EEPROM. decode-syseeprom should display the information and return the correct errno (ENODEV).
Currently, on KVM, decode-syseeprom will return OK (0) even if there is no system EEPROM.
#### How I did it
Check if the platform is kvm, if so, log and return.
#### How to verify it
```
root@vlab-01:~# decode-syseeprom
Platform x86_64-kvm_x86_64-r0 does not support EEPROM
root@vlab-01:~# echo $?
19
root@vlab-01:~# python3 -c 'import os, sys; print(os.strerror(int(sys.argv[1])))' 19
No such device
```
#### Previous command output (if the output of a command-line utility has changed)
```
admin@vlab-01:~$ sudo decode-syseeprom -s
Failed to read system EEPROM info
admin@vlab-01:~$ echo $?
0
```
#### New command output (if the output of a command-line utility has changed)
Collaborator
Author
|
Original PR: sonic-net/sonic-utilities#3750 |
Collaborator
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|
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mssonicbld
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Jun 24, 2025
```<br>* c052761 - (HEAD -> 202503) Merge branch '202412' of https://github.com/Azure/sonic-utilities.msft into 202503 (2025-06-24) [Sonic Automation] * 63b6805 - (base/202412) display proper message with proper errno for kvm. (#192) (2025-06-24) [mssonicbld]<br>```
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What I did
In KVM, there is no system EEPROM. decode-syseeprom should display the information and return the correct errno (ENODEV).
Currently, on KVM, decode-syseeprom will return OK (0) even if there is no system EEPROM.
How I did it
Check if the platform is kvm, if so, log and return.
How to verify it
Previous command output (if the output of a command-line utility has changed)
New command output (if the output of a command-line utility has changed)