[v2,05/29] tree-wide: s/override_creds_light()/override_creds()/g

Message ID	20241125-work-cred-v2-5-68b9d38bb5b2@kernel.org (mailing list archive)
State	New
Headers	show Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2768C1AF0C6; Mon, 25 Nov 2024 14:10:32 +0000 (UTC) From: Christian Brauner <brauner@kernel.org> Date: Mon, 25 Nov 2024 15:10:01 +0100 Subject: [PATCH v2 05/29] tree-wide: s/override_creds_light()/override_creds()/g Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20241125-work-cred-v2-5-68b9d38bb5b2@kernel.org> References: <20241125-work-cred-v2-0-68b9d38bb5b2@kernel.org> In-Reply-To: <20241125-work-cred-v2-0-68b9d38bb5b2@kernel.org> To: Linus Torvalds <torvalds@linux-foundation.org> Cc: Amir Goldstein <amir73il@gmail.com>, Miklos Szeredi <miklos@szeredi.hu>, Al Viro <viro@zeniv.linux.org.uk>, Jens Axboe <axboe@kernel.dk>, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Christian Brauner <brauner@kernel.org>
Series	cred: rework {override,revert}_creds() \| expand [v2,00/29] cred: rework {override,revert}_creds() [v2,01/29] tree-wide: s/override_creds()/override_creds_light(get_new_cred())/g [v2,02/29] cred: return old creds from revert_creds_light() [v2,03/29] tree-wide: s/revert_creds()/put_cred(revert_creds_light())/g [v2,04/29] cred: remove old {override,revert}_creds() helpers [v2,05/29] tree-wide: s/override_creds_light()/override_creds()/g [v2,06/29] tree-wide: s/revert_creds_light()/revert_creds()/g [v2,07/29] firmware: avoid pointless reference count bump [v2,08/29] sev-dev: avoid pointless cred reference count bump [v2,09/29] target_core_configfs: avoid pointless cred reference count bump [v2,10/29] aio: avoid pointless cred reference count bump [v2,11/29] binfmt_misc: avoid pointless cred reference count bump [v2,12/29] coredump: avoid pointless cred reference count bump [v2,13/29] nfs/localio: avoid pointless cred reference count bumps [v2,14/29] nfs/nfs4idmap: avoid pointless reference count bump [v2,15/29] nfs/nfs4recover: avoid pointless cred reference count bump [v2,16/29] nfsfh: avoid pointless cred reference count bump [v2,17/29] open: avoid pointless cred reference count bump [v2,18/29] ovl: avoid pointless cred reference count bump [v2,19/29] cifs: avoid pointless cred reference count bump [v2,20/29] cifs: avoid pointless cred reference count bump [v2,21/29] smb: avoid pointless cred reference count bump [v2,22/29] io_uring: avoid pointless cred reference count bump [v2,23/29] acct: avoid pointless reference count bump [v2,24/29] cgroup: avoid pointless cred reference count bump [v2,25/29] trace: avoid pointless cred reference count bump [v2,26/29] dns_resolver: avoid pointless cred reference count bump [v2,27/29] cachefiles: avoid pointless cred reference count bump [v2,28/29] nfsd: avoid pointless cred reference count bump [v2,29/29] cred: remove unused get_new_cred()

diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index 8e3323a618e4436746258ce289a524f98c3ff60a..729df15600efb743091d7e1b71a306cdfa9acbf0 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -912,7 +912,7 @@ _request_firmware(const struct firmware **firmware_p, const char *name, ret = -ENOMEM; goto out; } - old_cred = override_creds_light(get_new_cred(kern_cred)); + old_cred = override_creds(get_new_cred(kern_cred)); ret = fw_get_filesystem_firmware(device, fw->priv, "", NULL); diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index 9111a51d53e0e74e6d66bffe5b4e1bf1bf9157d0..ffae20fd52bc03e7123b116251c77a3ccd7c6cde 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -244,7 +244,7 @@ static struct file *open_file_as_root(const char *filename, int flags, umode_t m if (!cred) return ERR_PTR(-ENOMEM); cred->fsuid = GLOBAL_ROOT_UID; - old_cred = override_creds_light(get_new_cred(cred)); + old_cred = override_creds(get_new_cred(cred)); fp = file_open_root(&root, filename, flags, mode); path_put(&root); diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 564bc71d2d0923b9fdd575d520fd22206259b40a..7788e1fe2633ded4f265ff874c62dc4a21fd1b6e 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -3756,7 +3756,7 @@ static int __init target_core_init_configfs(void) ret = -ENOMEM; goto out; } - old_cred = override_creds_light(get_new_cred(kern_cred)); + old_cred = override_creds(get_new_cred(kern_cred)); target_init_dbroot(); put_cred(revert_creds_light(old_cred)); put_cred(kern_cred); diff --git a/fs/aio.c b/fs/aio.c index 6b987c48b6712abe2601b23f6aa9fac74c09161c..7e0ec687f480c05358c6c40638a7e187aafd8124 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -1639,7 +1639,7 @@ static int aio_write(struct kiocb *req, const struct iocb *iocb, static void aio_fsync_work(struct work_struct *work) { struct aio_kiocb *iocb = container_of(work, struct aio_kiocb, fsync.work); - const struct cred *old_cred = override_creds_light(get_new_cred(iocb->fsync.creds)); + const struct cred *old_cred = override_creds(get_new_cred(iocb->fsync.creds)); iocb->ki_res.res = vfs_fsync(iocb->fsync.file, iocb->fsync.datasync); put_cred(revert_creds_light(old_cred)); diff --git a/fs/backing-file.c b/fs/backing-file.c index 526ddb4d6f764e8d3b0566ec51c5efa90faff0ee..bcf8c0b9ff42e2dd30dc239bb2580942fe6c40a7 100644 --- a/fs/backing-file.c +++ b/fs/backing-file.c @@ -176,7 +176,7 @@ ssize_t backing_file_read_iter(struct file *file, struct iov_iter *iter, !(file->f_mode & FMODE_CAN_ODIRECT)) return -EINVAL; - old_cred = override_creds_light(ctx->cred); + old_cred = override_creds(ctx->cred); if (is_sync_kiocb(iocb)) { rwf_t rwf = iocb_to_rw_flags(flags); @@ -233,7 +233,7 @@ ssize_t backing_file_write_iter(struct file *file, struct iov_iter *iter, */ flags &= ~IOCB_DIO_CALLER_COMP; - old_cred = override_creds_light(ctx->cred); + old_cred = override_creds(ctx->cred); if (is_sync_kiocb(iocb)) { rwf_t rwf = iocb_to_rw_flags(flags); @@ -281,7 +281,7 @@ ssize_t backing_file_splice_read(struct file *in, struct kiocb *iocb, if (WARN_ON_ONCE(!(in->f_mode & FMODE_BACKING))) return -EIO; - old_cred = override_creds_light(ctx->cred); + old_cred = override_creds(ctx->cred); ret = vfs_splice_read(in, &iocb->ki_pos, pipe, len, flags); revert_creds_light(old_cred); @@ -310,7 +310,7 @@ ssize_t backing_file_splice_write(struct pipe_inode_info *pipe, if (ret) return ret; - old_cred = override_creds_light(ctx->cred); + old_cred = override_creds(ctx->cred); file_start_write(out); ret = out->f_op->splice_write(pipe, out, &iocb->ki_pos, len, flags); file_end_write(out); @@ -337,7 +337,7 @@ int backing_file_mmap(struct file *file, struct vm_area_struct *vma, vma_set_file(vma, file); - old_cred = override_creds_light(ctx->cred); + old_cred = override_creds(ctx->cred); ret = call_mmap(vma->vm_file, vma); revert_creds_light(old_cred); diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index 84a96abfd090230334f935f666a145571c78b3a8..63544051404a9ff5ec8a74c754c3acfbc91f3279 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -826,7 +826,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer, * didn't matter much as only a privileged process could open * the register file. */ - old_cred = override_creds_light(get_new_cred(file->f_cred)); + old_cred = override_creds(get_new_cred(file->f_cred)); f = open_exec(e->interpreter); put_cred(revert_creds_light(old_cred)); if (IS_ERR(f)) { diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h index 809305dd531760d47e781064c1fc6e328849fc6b..05b1d4cfb55afefd025c5f9c08afa81f67fdb9eb 100644 --- a/fs/cachefiles/internal.h +++ b/fs/cachefiles/internal.h @@ -393,7 +393,7 @@ extern int cachefiles_determine_cache_security(struct cachefiles_cache *cache, static inline void cachefiles_begin_secure(struct cachefiles_cache *cache, const struct cred **_saved_cred) { - *_saved_cred = override_creds_light(get_new_cred(cache->cache_cred)); + *_saved_cred = override_creds(get_new_cred(cache->cache_cred)); } static inline void cachefiles_end_secure(struct cachefiles_cache *cache, diff --git a/fs/coredump.c b/fs/coredump.c index ff119aaa5c313306b1183270a5d95904ed5951f4..4eae37892da58e982b53da4596952a1b3d2e1630 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -576,7 +576,7 @@ void do_coredump(const kernel_siginfo_t *siginfo) if (retval < 0) goto fail_creds; - old_cred = override_creds_light(get_new_cred(cred)); + old_cred = override_creds(get_new_cred(cred)); ispipe = format_corename(&cn, &cprm, &argv, &argc); diff --git a/fs/nfs/localio.c b/fs/nfs/localio.c index 77ff066aa938158cd8fcf691ebfbda6385f70449..374c6e35c7b4969ef193b71510ee9a34c45bb815 100644 --- a/fs/nfs/localio.c +++ b/fs/nfs/localio.c @@ -371,7 +371,7 @@ static void nfs_local_call_read(struct work_struct *work) struct iov_iter iter; ssize_t status; - save_cred = override_creds_light(get_new_cred(filp->f_cred)); + save_cred = override_creds(get_new_cred(filp->f_cred)); nfs_local_iter_init(&iter, iocb, READ); @@ -541,7 +541,7 @@ static void nfs_local_call_write(struct work_struct *work) ssize_t status; current->flags |= PF_LOCAL_THROTTLE | PF_MEMALLOC_NOIO; - save_cred = override_creds_light(get_new_cred(filp->f_cred)); + save_cred = override_creds(get_new_cred(filp->f_cred)); nfs_local_iter_init(&iter, iocb, WRITE); diff --git a/fs/nfs/nfs4idmap.c b/fs/nfs/nfs4idmap.c index 629979b20e98cbc37e148289570574d9ba2e7675..3cae4057f8ba30914a91a3d368ace8f52175644d 100644 --- a/fs/nfs/nfs4idmap.c +++ b/fs/nfs/nfs4idmap.c @@ -311,7 +311,7 @@ static ssize_t nfs_idmap_get_key(const char *name, size_t namelen, const struct user_key_payload *payload; ssize_t ret; - saved_cred = override_creds_light(get_new_cred(id_resolver_cache)); + saved_cred = override_creds(get_new_cred(id_resolver_cache)); rkey = nfs_idmap_request_key(name, namelen, type, idmap); put_cred(revert_creds_light(saved_cred)); diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c index dda14811d092689e5aa44bdd29f25403e4e3a780..dafea9183b4e6413d61c0c83a1b8f26a9712d5c6 100644 --- a/fs/nfsd/auth.c +++ b/fs/nfsd/auth.c @@ -79,7 +79,7 @@ int nfsd_setuser(struct svc_cred *cred, struct svc_export *exp) else new->cap_effective = cap_raise_nfsd_set(new->cap_effective, new->cap_permitted); - put_cred(override_creds_light(get_new_cred(new))); + put_cred(override_creds(get_new_cred(new))); put_cred(new); return 0; diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c index 61c8f4ab10777952088d1312f2e3d606dbc4f801..475c47f1c0afa2de56038bbb7cdd9fc5e583c8bd 100644 --- a/fs/nfsd/nfs4recover.c +++ b/fs/nfsd/nfs4recover.c @@ -81,7 +81,7 @@ nfs4_save_creds(const struct cred **original_creds) new->fsuid = GLOBAL_ROOT_UID; new->fsgid = GLOBAL_ROOT_GID; - *original_creds = override_creds_light(get_new_cred(new)); + *original_creds = override_creds(get_new_cred(new)); put_cred(new); return 0; } diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c index 8e323cc8e2c5b26ec660ceedeb95be4ef0ac809e..60b0275d5529d49ac87e8b89e4eb650ecd624f71 100644 --- a/fs/nfsd/nfsfh.c +++ b/fs/nfsd/nfsfh.c @@ -221,7 +221,7 @@ static __be32 nfsd_set_fh_dentry(struct svc_rqst *rqstp, struct net *net, new->cap_effective = cap_raise_nfsd_set(new->cap_effective, new->cap_permitted); - put_cred(override_creds_light(get_new_cred(new))); + put_cred(override_creds(get_new_cred(new))); put_cred(new); } else { error = nfsd_setuser_and_check_port(rqstp, cred, exp); diff --git a/fs/open.c b/fs/open.c index 23c414c10883927129a925a33680affc6f3a0a78..bd0a34653f0ebe210ddfeabf5ea3bc002bf2833d 100644 --- a/fs/open.c +++ b/fs/open.c @@ -448,7 +448,7 @@ static const struct cred *access_override_creds(void) */ override_cred->non_rcu = 1; - old_cred = override_creds_light(get_new_cred(override_cred)); + old_cred = override_creds(get_new_cred(override_cred)); /* override_cred() gets its own ref */ put_cred(override_cred); diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index 0f19bdbc78a45f35df2829ccc8cc65deef244ffd..7805667b2e05264c011cd41ff6f77b9ae0fb30d9 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -741,7 +741,7 @@ static int ovl_prep_cu_creds(struct dentry *dentry, struct ovl_cu_creds *cc) return err; if (cc->new) - cc->old = override_creds_light(get_new_cred(cc->new)); + cc->old = override_creds(get_new_cred(cc->new)); return 0; } diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c index 08e683917d121b1fe8f0f0b4d4ba4f0f3c72f47d..151271f0586c7249cfa61cd45d249ec930adaf82 100644 --- a/fs/overlayfs/dir.c +++ b/fs/overlayfs/dir.c @@ -580,7 +580,7 @@ static const struct cred *ovl_setup_cred_for_create(struct dentry *dentry, * We must be called with creator creds already, otherwise we risk * leaking creds. */ - old_cred = override_creds_light(override_cred); + old_cred = override_creds(override_cred); WARN_ON_ONCE(old_cred != ovl_creds(dentry->d_sb)); return override_cred; diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index 9aa7493b1e10365cbcc97fceab26d614a319727f..2513a79a10b0bd69fa9d1c8a0f4726f3246ac39c 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -65,7 +65,7 @@ const struct cred *ovl_override_creds(struct super_block *sb) { struct ovl_fs *ofs = OVL_FS(sb); - return override_creds_light(ofs->creator_cred); + return override_creds(ofs->creator_cred); } void ovl_revert_creds(const struct cred *old_cred) diff --git a/fs/smb/client/cifs_spnego.c b/fs/smb/client/cifs_spnego.c index dd270184e7104b597652893292e6586a78bf55c1..11f3e3d2743d1e2c54c8153e6925c4707851d0ab 100644 --- a/fs/smb/client/cifs_spnego.c +++ b/fs/smb/client/cifs_spnego.c @@ -157,7 +157,7 @@ cifs_get_spnego_key(struct cifs_ses *sesInfo, sprintf(dp, ";pid=0x%x", current->pid); cifs_dbg(FYI, "key description = %s\n", description); - saved_cred = override_creds_light(get_new_cred(spnego_cred)); + saved_cred = override_creds(get_new_cred(spnego_cred)); spnego_key = request_key(&cifs_spnego_key_type, description, ""); put_cred(revert_creds_light(saved_cred)); diff --git a/fs/smb/client/cifsacl.c b/fs/smb/client/cifsacl.c index 1da3177fb6dc5a40a4ea79edc5525af11adf699a..ab3932dab9538153bb9eed91cf14aa8261280a1e 100644 --- a/fs/smb/client/cifsacl.c +++ b/fs/smb/client/cifsacl.c @@ -292,7 +292,7 @@ id_to_sid(unsigned int cid, uint sidtype, struct smb_sid *ssid) return -EINVAL; rc = 0; - saved_cred = override_creds_light(get_new_cred(root_cred)); + saved_cred = override_creds(get_new_cred(root_cred)); sidkey = request_key(&cifs_idmap_key_type, desc, ""); if (IS_ERR(sidkey)) { rc = -EINVAL; @@ -398,7 +398,7 @@ sid_to_id(struct cifs_sb_info *cifs_sb, struct smb_sid *psid, if (!sidstr) return -ENOMEM; - saved_cred = override_creds_light(get_new_cred(root_cred)); + saved_cred = override_creds(get_new_cred(root_cred)); sidkey = request_key(&cifs_idmap_key_type, sidstr, ""); if (IS_ERR(sidkey)) { cifs_dbg(FYI, "%s: Can't map SID %s to a %cid\n", diff --git a/fs/smb/server/smb_common.c b/fs/smb/server/smb_common.c index b13abbf67827fcad9c35606344cca055c09ba9c3..f09652bcca542464ed2f27fce9e912f797410612 100644 --- a/fs/smb/server/smb_common.c +++ b/fs/smb/server/smb_common.c @@ -780,7 +780,7 @@ int __ksmbd_override_fsids(struct ksmbd_work *work, cred->cap_effective = cap_drop_fs_set(cred->cap_effective); WARN_ON(work->saved_cred); - work->saved_cred = override_creds_light(get_new_cred(cred)); + work->saved_cred = override_creds(get_new_cred(cred)); if (!work->saved_cred) { abort_creds(cred); return -EINVAL; diff --git a/include/linux/cred.h b/include/linux/cred.h index 80dcc18ef6e402a3a30e2dc965e6c85eb9f27ee3..a073e6163c4ea5a78fc950d834bffeab9c5ba2be 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -170,7 +170,7 @@ static inline bool cap_ambient_invariant_ok(const struct cred *cred) cred->cap_inheritable)); } -static inline const struct cred *override_creds_light(const struct cred *override_cred) +static inline const struct cred *override_creds(const struct cred *override_cred) { const struct cred *old = current->cred; diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index a6a50e86791e79745ace095af68c4b658e4a2cdc..946df208e7741a0e2e11eff2ee0b8978bcea7c3c 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -1704,7 +1704,7 @@ static int io_issue_sqe(struct io_kiocb *req, unsigned int issue_flags) return -EBADF; if (unlikely((req->flags & REQ_F_CREDS) && req->creds != current_cred())) - creds = override_creds_light(get_new_cred(req->creds)); + creds = override_creds(get_new_cred(req->creds)); if (!def->audit_skip) audit_uring_entry(req->opcode); diff --git a/io_uring/sqpoll.c b/io_uring/sqpoll.c index 42ca6e07e0f7b0fe54a9f09857f87fecb5aa7085..0fd424442118f38db0307fe10e0c6ee102c1f185 100644 --- a/io_uring/sqpoll.c +++ b/io_uring/sqpoll.c @@ -174,7 +174,7 @@ static int __io_sq_thread(struct io_ring_ctx *ctx, bool cap_entries) const struct cred *creds = NULL; if (ctx->sq_creds != current_cred()) - creds = override_creds_light(get_new_cred(ctx->sq_creds)); + creds = override_creds(get_new_cred(ctx->sq_creds)); mutex_lock(&ctx->uring_lock); if (!wq_list_empty(&ctx->iopoll_list)) diff --git a/kernel/acct.c b/kernel/acct.c index 4e28aa9e1ef278cd7fb3160a27b549155ceaffc3..a51a3b483fd9d94da916dc4e052ef4ab1042a39f 100644 --- a/kernel/acct.c +++ b/kernel/acct.c @@ -501,7 +501,7 @@ static void do_acct_process(struct bsd_acct_struct *acct) flim = rlimit(RLIMIT_FSIZE); current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY; /* Perform file operations on behalf of whoever enabled accounting */ - orig_cred = override_creds_light(get_new_cred(file->f_cred)); + orig_cred = override_creds(get_new_cred(file->f_cred)); /* * First check to see if there is enough free_space to continue diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 68b816955c9c7e0141a073f54b14949b4c37aae6..2d618b577e52e0117f77340dac79581882599578 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -5216,7 +5216,7 @@ static ssize_t __cgroup_procs_write(struct kernfs_open_file *of, char *buf, * permissions using the credentials from file open to protect against * inherited fd attacks. */ - saved_cred = override_creds_light(get_new_cred(of->file->f_cred)); + saved_cred = override_creds(get_new_cred(of->file->f_cred)); ret = cgroup_attach_permissions(src_cgrp, dst_cgrp, of->file->f_path.dentry->d_sb, threadgroup, ctx->ns); diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c index 2fdadb2e8547ec86f48d84c81c95434c811cb3cd..857124d81f1255e7e6b4d18009b53191a71b57fc 100644 --- a/kernel/trace/trace_events_user.c +++ b/kernel/trace/trace_events_user.c @@ -1469,7 +1469,7 @@ static int user_event_set_call_visible(struct user_event *user, bool visible) */ cred->fsuid = GLOBAL_ROOT_UID; - old_cred = override_creds_light(get_new_cred(cred)); + old_cred = override_creds(get_new_cred(cred)); if (visible) ret = trace_add_event_call(&user->call); diff --git a/net/dns_resolver/dns_query.c b/net/dns_resolver/dns_query.c index 297059b7e2a367f5e745aac4557cda5996689a00..f8749d688d6676dd83d0c4b8e83ca893f1bd4248 100644 --- a/net/dns_resolver/dns_query.c +++ b/net/dns_resolver/dns_query.c @@ -124,7 +124,7 @@ int dns_query(struct net *net, /* make the upcall, using special credentials to prevent the use of * add_key() to preinstall malicious redirections */ - saved_cred = override_creds_light(get_new_cred(dns_resolver_cache)); + saved_cred = override_creds(get_new_cred(dns_resolver_cache)); rkey = request_key_net(&key_type_dns_resolver, desc, net, options); put_cred(revert_creds_light(saved_cred)); kfree(desc);

[v2,05/29] tree-wide: s/override_creds_light()/override_creds()/g

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