Can a search warrant affidavit be sealed if necessary to protect the identity of a confidential informant?

All or any part of a search warrant affidavit may be sealed if necessary to protect the identity of a confidential informant. (Evid. Code, 1041; Hobbs, supra, 7 Cal.4th at p. 971.) "When a defendant seeks to quash or traverse a warrant where a portion of the supporting affidavit has been sealed, the relevant materials are to be made available for in camera review by the trial court." (People v. Galland (2008) 45 Cal.4th 354, 364.) "The court should determine first whether there are sufficient grounds for maintaining the confidentiality of the informant's identity. If so, the court should then determine whether the sealing of the

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