/* Copyright (C) 1995, 1996 Olaf Kirch */ #include #include "nfsd.h" #include "auth.h" int nfsexp_flags(struct svc_rqst *rqstp, struct svc_export *exp) { struct exp_flavor_info *f; struct exp_flavor_info *end = exp->ex_flavors + exp->ex_nflavors; for (f = exp->ex_flavors; f < end; f++) { if (f->pseudoflavor == rqstp->rq_cred.cr_flavor) return f->flags; } return exp->ex_flags; } int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp) { struct group_info *rqgi; struct group_info *gi; struct cred *new; int i; int flags = nfsexp_flags(rqstp, exp); validate_process_creds(); /* discard any old override before preparing the new set */ revert_creds(get_cred(current_real_cred())); new = prepare_creds(); if (!new) return -ENOMEM; new->fsuid = rqstp->rq_cred.cr_uid; new->fsgid = rqstp->rq_cred.cr_gid; rqgi = rqstp->rq_cred.cr_group_info; if (flags & NFSEXP_ALLSQUASH) { new->fsuid = exp->ex_anon_uid; new->fsgid = exp->ex_anon_gid; gi = groups_alloc(0); if (!gi) goto oom; } else if (flags & NFSEXP_ROOTSQUASH) { if (uid_eq(new->fsuid, GLOBAL_ROOT_UID)) new->fsuid = exp->ex_anon_uid; if (gid_eq(new->fsgid, GLOBAL_ROOT_GID)) new->fsgid = exp->ex_anon_gid; gi = groups_alloc(rqgi->ngroups); if (!gi) goto oom; for (i = 0; i < rqgi->ngroups; i++) { if (gid_eq(GLOBAL_ROOT_GID, rqgi->gid[i])) gi->gid[i] = exp->ex_anon_gid; else gi->gid[i] = rqgi->gid[i]; } } else { gi = get_group_info(rqgi); } if (uid_eq(new->fsuid, INVALID_UID)) new->fsuid = exp->ex_anon_uid; if (gid_eq(new->fsgid, INVALID_GID)) new->fsgid = exp->ex_anon_gid; set_groups(new, gi); put_group_info(gi); if (!uid_eq(new->fsuid, GLOBAL_ROOT_UID)) new->cap_effective = cap_drop_nfsd_set(new->cap_effective); else new->cap_effective = cap_raise_nfsd_set(new->cap_effective, new->cap_permitted); validate_process_creds(); put_cred(override_creds(new)); put_cred(new); validate_process_creds(); return 0; oom: abort_creds(new); return -ENOMEM; } ve&id=628f07d33c1f2e7bf31e0a4a988bb07914bd5e73'>commitdiff
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authorEyal Itkin <eyal.itkin@gmail.com>2017-02-07 16:43:05 +0300
committerDoug Ledford <dledford@redhat.com>2017-02-08 12:28:30 -0500
commit628f07d33c1f2e7bf31e0a4a988bb07914bd5e73 (patch)
treec228c66498f9a4562093fbbf80a41bcede0c06f2 /net/ipv4/gre_offload.c
parentb4cfe3971f6eab542dd7ecc398bfa1aeec889934 (diff)
IB/rxe: Fix resid update
Update the response's resid field when larger than MTU, instead of only updating the local resid variable. Fixes: 8700e3e7c485 ("Soft RoCE driver") Signed-off-by: Eyal Itkin <eyal.itkin@gmail.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'net/ipv4/gre_offload.c')