Make dynamic root population wait uninterruptibly for proc_cells_lock.

Signed-off-by: David Howells <dhowe...@redhat.com>
---

 fs/afs/dynroot.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/afs/dynroot.c b/fs/afs/dynroot.c
index 07484b5a3bbb..af1689d1f32e 100644
--- a/fs/afs/dynroot.c
+++ b/fs/afs/dynroot.c
@@ -261,8 +261,7 @@ int afs_dynroot_populate(struct super_block *sb)
        struct afs_net *net = afs_sb2net(sb);
        int ret;
 
-       if (mutex_lock_interruptible(&net->proc_cells_lock) < 0)
-               return -ERESTARTSYS;
+       mutex_lock(&net->proc_cells_lock);
 
        net->dynroot_sb = sb;
        hlist_for_each_entry(cell, &net->proc_cells, proc_link) {

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