smb3.1.1: print warning if server does not support requested encryption type

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If server does not support AES-256-GCM and it was required on mount, print
warning message. Also log and return a different error message (EOPNOTSUPP)
when encryption mechanism is not supported vs the case when an unknown
unrequested encryption mechanism could be returned (EINVAL).

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>

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Steve French 2020-10-15 00:14:47 -05:00

parent 29e2792304

commit 511ac89e59

1 changed files with 13 additions and 2 deletions

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15

fs/cifs/smb2pdu.c

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