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-rw-r--r--fs/nfs/nfs4namespace.c9
-rw-r--r--fs/nfs/nfs4proc.c15
-rw-r--r--fs/nfs/nfs4state.c9
-rw-r--r--fs/nfs/nfs4xdr.c4
-rw-r--r--include/linux/nfs_xdr.h2
5 files changed, 25 insertions, 14 deletions
diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index 3680c8da510c..f2dbf904c598 100644
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -417,6 +417,9 @@ static int nfs_do_refmount(struct fs_context *fc, struct rpc_clnt *client)
fs_locations = kmalloc(sizeof(struct nfs4_fs_locations), GFP_KERNEL);
if (!fs_locations)
goto out_free;
+ fs_locations->fattr = nfs_alloc_fattr();
+ if (!fs_locations->fattr)
+ goto out_free_2;
/* Get locations */
dentry = ctx->clone_data.dentry;
@@ -427,14 +430,16 @@ static int nfs_do_refmount(struct fs_context *fc, struct rpc_clnt *client)
err = nfs4_proc_fs_locations(client, d_inode(parent), &dentry->d_name, fs_locations, page);
dput(parent);
if (err != 0)
- goto out_free_2;
+ goto out_free_3;
err = -ENOENT;
if (fs_locations->nlocations <= 0 ||
fs_locations->fs_path.ncomponents <= 0)
- goto out_free_2;
+ goto out_free_3;
err = nfs_follow_referral(fc, fs_locations);
+out_free_3:
+ kfree(fs_locations->fattr);
out_free_2:
kfree(fs_locations);
out_free:
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 0dfdbb406f96..337609befd17 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -4247,6 +4247,8 @@ static int nfs4_get_referral(struct rpc_clnt *client, struct inode *dir,
if (locations == NULL)
goto out;
+ locations->fattr = fattr;
+
status = nfs4_proc_fs_locations(client, dir, name, locations, page);
if (status != 0)
goto out;
@@ -4256,17 +4258,14 @@ static int nfs4_get_referral(struct rpc_clnt *client, struct inode *dir,
* referral. Cause us to drop into the exception handler, which
* will kick off migration recovery.
*/
- if (nfs_fsid_equal(&NFS_SERVER(dir)->fsid, &locations->fattr.fsid)) {
+ if (nfs_fsid_equal(&NFS_SERVER(dir)->fsid, &fattr->fsid)) {
dprintk("%s: server did not return a different fsid for"
" a referral at %s\n", __func__, name->name);
status = -NFS4ERR_MOVED;
goto out;
}
/* Fixup attributes for the nfs_lookup() call to nfs_fhget() */
- nfs_fixup_referral_attributes(&locations->fattr);
-
- /* replace the lookup nfs_fattr with the locations nfs_fattr */
- memcpy(fattr, &locations->fattr, sizeof(struct nfs_fattr));
+ nfs_fixup_referral_attributes(fattr);
memset(fhandle, 0, sizeof(struct nfs_fh));
out:
if (page)
@@ -7979,7 +7978,7 @@ static int _nfs4_proc_fs_locations(struct rpc_clnt *client, struct inode *dir,
else
bitmask[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
- nfs_fattr_init(&fs_locations->fattr);
+ nfs_fattr_init(fs_locations->fattr);
fs_locations->server = server;
fs_locations->nlocations = 0;
status = nfs4_call_sync(client, server, &msg, &args.seq_args, &res.seq_res, 0);
@@ -8044,7 +8043,7 @@ static int _nfs40_proc_get_locations(struct nfs_server *server,
unsigned long now = jiffies;
int status;
- nfs_fattr_init(&locations->fattr);
+ nfs_fattr_init(locations->fattr);
locations->server = server;
locations->nlocations = 0;
@@ -8109,7 +8108,7 @@ static int _nfs41_proc_get_locations(struct nfs_server *server,
};
int status;
- nfs_fattr_init(&locations->fattr);
+ nfs_fattr_init(locations->fattr);
locations->server = server;
locations->nlocations = 0;
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 775c58def32c..2540b35ec187 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -2116,6 +2116,11 @@ static int nfs4_try_migration(struct nfs_server *server, const struct cred *cred
dprintk("<-- %s: no memory\n", __func__);
goto out;
}
+ locations->fattr = nfs_alloc_fattr();
+ if (locations->fattr == NULL) {
+ dprintk("<-- %s: no memory\n", __func__);
+ goto out;
+ }
inode = d_inode(server->super->s_root);
result = nfs4_proc_get_locations(server, NFS_FH(inode), locations,
@@ -2130,7 +2135,7 @@ static int nfs4_try_migration(struct nfs_server *server, const struct cred *cred
if (!locations->nlocations)
goto out;
- if (!(locations->fattr.valid & NFS_ATTR_FATTR_V4_LOCATIONS)) {
+ if (!(locations->fattr->valid & NFS_ATTR_FATTR_V4_LOCATIONS)) {
dprintk("<-- %s: No fs_locations data, migration skipped\n",
__func__);
goto out;
@@ -2155,6 +2160,8 @@ static int nfs4_try_migration(struct nfs_server *server, const struct cred *cred
out:
if (page != NULL)
__free_page(page);
+ if (locations != NULL)
+ kfree(locations->fattr);
kfree(locations);
if (result) {
pr_err("NFS: migration recovery failed (server %s)\n",
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 0b41e00e754f..acfe5f4bda48 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -7080,7 +7080,7 @@ static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req,
if (res->migration) {
xdr_enter_page(xdr, PAGE_SIZE);
status = decode_getfattr_generic(xdr,
- &res->fs_locations->fattr,
+ res->fs_locations->fattr,
NULL, res->fs_locations,
res->fs_locations->server);
if (status)
@@ -7093,7 +7093,7 @@ static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req,
goto out;
xdr_enter_page(xdr, PAGE_SIZE);
status = decode_getfattr_generic(xdr,
- &res->fs_locations->fattr,
+ res->fs_locations->fattr,
NULL, res->fs_locations,
res->fs_locations->server);
}
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 4a8ba84f848e..0e3aa0f5f324 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1222,7 +1222,7 @@ struct nfs4_fs_location {
#define NFS4_FS_LOCATIONS_MAXENTRIES 10
struct nfs4_fs_locations {
- struct nfs_fattr fattr;
+ struct nfs_fattr *fattr;
const struct nfs_server *server;
struct nfs4_pathname fs_path;
int nlocations;