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CIFS: SMBD: Disable signing on SMB direct transport
Currently the CIFS SMB Direct implementation (experimental) doesn't properly support signing. Disable it when SMB Direct is in use for transport. Signing will be enabled in future after it is implemented. Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Steve French <smfrench@gmail.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
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@ -1968,6 +1968,14 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
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goto cifs_parse_mount_err;
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}
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#ifdef CONFIG_CIFS_SMB_DIRECT
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if (vol->rdma && vol->sign) {
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cifs_dbg(VFS, "Currently SMB direct doesn't support signing."
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" This is being fixed\n");
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goto cifs_parse_mount_err;
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}
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#endif
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#ifndef CONFIG_KEYS
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/* Muliuser mounts require CONFIG_KEYS support */
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if (vol->multiuser) {
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@ -616,6 +616,11 @@ int smb3_validate_negotiate(const unsigned int xid, struct cifs_tcon *tcon)
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cifs_dbg(FYI, "validate negotiate\n");
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#ifdef CONFIG_CIFS_SMB_DIRECT
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if (tcon->ses->server->rdma)
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return 0;
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#endif
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/*
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* validation ioctl must be signed, so no point sending this if we
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* can not sign it (ie are not known user). Even if signing is not
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