common/mlx5: extend virtq modifiable fields

[dpdk.git] / drivers / common / dpaax / dpaax_iova_table.h

diff --git a/drivers/common/dpaax/dpaax_iova_table.h b/drivers/common/dpaax/dpaax_iova_table.h
index 230fba8..9a18eaf 100644 (file)
--- a/drivers/common/dpaax/dpaax_iova_table.h
+++ b/drivers/common/dpaax/dpaax_iova_table.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright 2018 NXP
+ * Copyright 2018-2021 NXP
  */
 
 #ifndef _DPAAX_IOVA_TABLE_H_
@@ -32,7 +32,7 @@ struct dpaax_iovat_element {
 
 struct dpaax_iova_table {
        unsigned int count; /**< No. of blocks of contiguous physical pages */
-       struct dpaax_iovat_element entries[0];
+       struct dpaax_iovat_element entries[];
 };
 
 /* Pointer to the table, which is common for DPAA/DPAA2 and only a single
@@ -101,6 +101,12 @@ dpaax_iova_table_get_va(phys_addr_t paddr) {
 
                /* paddr > entry->start && paddr <= entry->(start+len) */
                index = (paddr_align - entry[i].start)/DPAAX_MEM_SPLIT;
+               /* paddr is within range, but no vaddr entry ever written
+                * at index
+                */
+               if ((void *)(uintptr_t)entry[i].pages[index] == NULL)
+                       return NULL;
+
                vaddr = (void *)((uintptr_t)entry[i].pages[index] + offset);
                break;
        } while (1);