vfs: dcache: fix deadlock in tree traversal

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / quota / dquot.c

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 36a29b7..c495a30 100644 (file)
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1589,10 +1589,10 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number, int flags)
                goto out;
        }
 
-       down_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
        for (cnt = 0; cnt < MAXQUOTAS; cnt++)
                warn[cnt].w_type = QUOTA_NL_NOWARN;
 
+       down_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
        spin_lock(&dq_data_lock);
        for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
                if (!dquots[cnt])