diff options
Diffstat (limited to 'fs/afs/proc.c')
| -rw-r--r-- | fs/afs/proc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/afs/proc.c b/fs/afs/proc.c index e7614f4f30c2..12c88d8be3fe 100644 --- a/fs/afs/proc.c +++ b/fs/afs/proc.c @@ -206,7 +206,7 @@ static int afs_proc_rootcell_show(struct seq_file *m, void *v) net = afs_seq2net_single(m); down_read(&net->cells_lock); - cell = net->ws_cell; + cell = rcu_dereference_protected(net->ws_cell, lockdep_is_held(&net->cells_lock)); if (cell) seq_printf(m, "%s\n", cell->name); up_read(&net->cells_lock); @@ -242,7 +242,7 @@ static int afs_proc_rootcell_write(struct file *file, char *buf, size_t size) ret = -EEXIST; inode_lock(file_inode(file)); - if (!net->ws_cell) + if (!rcu_access_pointer(net->ws_cell)) ret = afs_cell_init(net, buf); else printk("busy\n"); |