initialize_mountpoint will call _nfs4_pnfs_getdevicelist and then
pnfs_curr_ld->id is accessed. This introduce a NULL pointer reference.
Signed-off-by: Zhang Jingwang <zhangjingwang@xxxxxxxxxxxx>
---
fs/nfs/pnfs.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 3739c38..5ad7fc6 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -212,6 +212,7 @@ set_pnfs_layoutdriver(struct nfs_server *server, const struct nfs_fh *mntfh,
return;
if (id > 0 && find_pnfs(id, &mod)) {
+ server->pnfs_curr_ld = mod->pnfs_ld_type;
if (mod->pnfs_ld_type->ld_io_ops->initialize_mountpoint(
server, mntfh)) {
printk(KERN_ERR "%s: Error initializing mount point "
@@ -222,7 +223,6 @@ set_pnfs_layoutdriver(struct nfs_server *server, const struct nfs_fh *mntfh,
* Layout driver succeeded in initializing mountpoint
* and has taken a reference on the nfs_client cl_devid_cache
*/
- server->pnfs_curr_ld = mod->pnfs_ld_type;
server->nfs_client->rpc_ops = &pnfs_v4_clientops;
dprintk("%s: pNFS module for %u set\n", __func__, id);
return;
--
1.6.2.5
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