Commit 90d21755 authored by Chuck Lever's avatar Chuck Lever
Browse files

NFSD: copy the whole verifier in nfsd_copy_write_verifier 



Currently, we're only memcpy'ing the first __be32. Ensure we copy into
both words.

Fixes: 91d2e9b5 ("NFSD: Clean up the nfsd_net::nfssvc_boot field")
Reported-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
parent 4c475eee

fs/nfsd/nfssvc.c

+1 −1
Original line number Diff line number Diff line
@@ -363,7 +363,7 @@ void nfsd_copy_write_verifier(__be32 verf[2], struct nfsd_net *nn) 


	do {

		read_seqbegin_or_lock(&nn->writeverf_lock, &seq);

		memcpy(verf, nn->writeverf, sizeof(*verf));

		memcpy(verf, nn->writeverf, sizeof(nn->writeverf));

	} while (need_seqretry(&nn->writeverf_lock, seq));

	done_seqretry(&nn->writeverf_lock, seq);

}