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platform_kernel-5.15
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NFSv4: Allow nfs4_opendata_to_nfs4_state to return errors. 

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2007-07-07 08:04:47 -04:00
parent 6f43ddccb3
commit 1b370bc28f
1 changed files with 18 additions and 11 deletions
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29
fs/nfs/nfs4proc.c
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@ -385,15 +385,19 @@ static struct nfs4_state *nfs4_opendata_to_nfs4_state(struct nfs4_opendata *data
struct nfs4_state *state = NULL; struct nfs4_state *state = NULL;
struct nfs_delegation *delegation; struct nfs_delegation *delegation;
nfs4_stateid *deleg_stateid = NULL; nfs4_stateid *deleg_stateid = NULL;
int ret;
ret = -EAGAIN;
if (!(data->f_attr.valid & NFS_ATTR_FATTR)) if (!(data->f_attr.valid & NFS_ATTR_FATTR))
goto out; goto err;
inode = nfs_fhget(data->dir->d_sb, &data->o_res.fh, &data->f_attr); inode = nfs_fhget(data->dir->d_sb, &data->o_res.fh, &data->f_attr);
ret = PTR_ERR(inode);
if (IS_ERR(inode)) if (IS_ERR(inode))
goto out; goto err;
ret = -ENOMEM;
state = nfs4_get_open_state(inode, data->owner); state = nfs4_get_open_state(inode, data->owner);
if (state == NULL) if (state == NULL)
goto put_inode; goto err_put_inode;
if (data->o_res.delegation_type != 0) { if (data->o_res.delegation_type != 0) {
int delegation_flags = 0; int delegation_flags = 0;
@ -417,10 +421,12 @@ static struct nfs4_state *nfs4_opendata_to_nfs4_state(struct nfs4_opendata *data
deleg_stateid = &delegation->stateid; deleg_stateid = &delegation->stateid;
update_open_stateid(state, &data->o_res.stateid, deleg_stateid, data->o_arg.open_flags); update_open_stateid(state, &data->o_res.stateid, deleg_stateid, data->o_arg.open_flags);
rcu_read_unlock(); rcu_read_unlock();
put_inode:
iput(inode); iput(inode);
out:
return state; return state;
err_put_inode:
iput(inode);
err:
return ERR_PTR(ret);
} }
static struct nfs_open_context *nfs4_state_find_open_context(struct nfs4_state *state) static struct nfs_open_context *nfs4_state_find_open_context(struct nfs4_state *state)
@ -453,8 +459,9 @@ static int nfs4_open_recover_helper(struct nfs4_opendata *opendata, mode_t openf
if (ret != 0) if (ret != 0)
return ret; return ret;
newstate = nfs4_opendata_to_nfs4_state(opendata); newstate = nfs4_opendata_to_nfs4_state(opendata);
if (newstate != NULL) if (IS_ERR(newstate))
nfs4_close_state(&opendata->path, newstate, openflags); return PTR_ERR(newstate);
nfs4_close_state(&opendata->path, newstate, openflags);
*res = newstate; *res = newstate;
return 0; return 0;
} }
@ -631,7 +638,7 @@ static void nfs4_open_confirm_release(void *calldata)
goto out_free; goto out_free;
nfs_confirm_seqid(&data->owner->so_seqid, 0); nfs_confirm_seqid(&data->owner->so_seqid, 0);
state = nfs4_opendata_to_nfs4_state(data); state = nfs4_opendata_to_nfs4_state(data);
if (state != NULL) if (!IS_ERR(state))
nfs4_close_state(&data->path, state, data->o_arg.open_flags); nfs4_close_state(&data->path, state, data->o_arg.open_flags);
out_free: out_free:
nfs4_opendata_put(data); nfs4_opendata_put(data);
@ -736,7 +743,7 @@ static void nfs4_open_release(void *calldata)
goto out_free; goto out_free;
nfs_confirm_seqid(&data->owner->so_seqid, 0); nfs_confirm_seqid(&data->owner->so_seqid, 0);
state = nfs4_opendata_to_nfs4_state(data); state = nfs4_opendata_to_nfs4_state(data);
if (state != NULL) if (!IS_ERR(state))
nfs4_close_state(&data->path, state, data->o_arg.open_flags); nfs4_close_state(&data->path, state, data->o_arg.open_flags);
out_free: out_free:
nfs4_opendata_put(data); nfs4_opendata_put(data);
@ -1036,9 +1043,9 @@ static int _nfs4_do_open(struct inode *dir, struct path *path, int flags, struct
if (opendata->o_arg.open_flags & O_EXCL) if (opendata->o_arg.open_flags & O_EXCL)
nfs4_exclusive_attrset(opendata, sattr); nfs4_exclusive_attrset(opendata, sattr);
status = -ENOMEM;
state = nfs4_opendata_to_nfs4_state(opendata); state = nfs4_opendata_to_nfs4_state(opendata);
if (state == NULL) status = PTR_ERR(state);
if (IS_ERR(state))
goto err_opendata_put; goto err_opendata_put;
nfs4_opendata_put(opendata); nfs4_opendata_put(opendata);
nfs4_put_state_owner(sp); nfs4_put_state_owner(sp);