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Commit a62573dc authored by Mi Jinlong's avatar Mi Jinlong Committed by J. Bruce Fields
Browse files

nfsd41: add flag checking for create_session 



Teach the NFS server to reject invalid create_session flags.

Also do some minor formatting adjustments.

Signed-off-by: default avatarMi Jinlong <mijinlong@cn.fujitsu.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent ac6721a1

fs/nfsd/nfs4state.c

+3 −0
Original line number Diff line number Diff line
@@ -1515,6 +1515,9 @@ nfsd4_create_session(struct svc_rqst *rqstp, 
	bool confirm_me = false;

	int status = 0;



	if (cr_ses->flags & ~SESSION4_FLAG_MASK_A)

		return nfserr_inval;



	nfs4_lock_state();

	unconf = find_unconfirmed_client(&cr_ses->clientid);

	conf = find_confirmed_client(&cr_ses->clientid);

include/linux/nfs4.h

+5 −3
Original line number Diff line number Diff line
@@ -574,6 +574,8 @@ struct nfs4_sessionid { 
#define SESSION4_BACK_CHAN	0x002

#define SESSION4_RDMA		0x004



#define SESSION4_FLAG_MASK_A	0x007



enum state_protect_how4 {

	SP4_NONE	= 0,

	SP4_MACH_CRED	= 1,