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cifs: Always update signing key of first channel 

Update signing key of first channel whenever generating the master
sigining/encryption/decryption keys rather than only in cifs_mount().

This also fixes reconnect when re-establishing smb sessions to other
servers.

Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Paulo Alcantara (SUSE) 2019-11-22 12:30:57 -03:00 committed by Steve French
parent 5bb30a4dd6
commit ff6b6f3f91
1 changed files with 4 additions and 0 deletions
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4
fs/cifs/smb2transport.c
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@ -407,6 +407,10 @@ generate_smb3signingkey(struct cifs_ses *ses,
SMB3_SIGN_KEY_SIZE);
if (rc)
return rc;
memcpy(ses->chans[0].signkey, ses->smb3signingkey,
SMB3_SIGN_KEY_SIZE);
rc = generate_key(ses, ptriplet->encryption.label,
ptriplet->encryption.context,
ses->smb3encryptionkey,