async_tx: fix missing braces in async_xor_zero_sum

Found-by: Yuri Tikhonov <yur@emcraft.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c
index 65974c6..c029d3e 100644 (file)
--- a/crypto/async_tx/async_xor.c
+++ b/crypto/async_tx/async_xor.c
@@ -263,11 +263,12 @@ async_xor_zero_sum(struct page *dest, struct page **src_list,
                if (unlikely(!tx)) {
                        async_tx_quiesce(&depend_tx);
 
-                       while (!tx)
+                       while (!tx) {
                                dma_async_issue_pending(chan);
                                tx = device->device_prep_dma_zero_sum(chan,
                                        dma_src, src_cnt, len, result,
                                        dma_prep_flags);
+                       }
                }
 
                async_tx_submit(chan, tx, flags, depend_tx, cb_fn, cb_param);