treewide: add checks for the return value of memblock_alloc*()

[sfrench/cifs-2.6.git] / arch / arm64 / mm / kasan_init.c

diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c
index f37a86d2a69da5d8a93a53f43b5a9d075c6ba2a4..296de39ddee5966f25f0394cd617a9b84fc6a5f0 100644 (file)
--- a/arch/arm64/mm/kasan_init.c
+++ b/arch/arm64/mm/kasan_init.c
@@ -40,6 +40,11 @@ static phys_addr_t __init kasan_alloc_zeroed_page(int node)
        void *p = memblock_alloc_try_nid(PAGE_SIZE, PAGE_SIZE,
                                              __pa(MAX_DMA_ADDRESS),
                                              MEMBLOCK_ALLOC_KASAN, node);
+       if (!p)
+               panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%llx\n",
+                     __func__, PAGE_SIZE, PAGE_SIZE, node,
+                     __pa(MAX_DMA_ADDRESS));
+
        return __pa(p);
 }
 
@@ -48,6 +53,11 @@ static phys_addr_t __init kasan_alloc_raw_page(int node)
        void *p = memblock_alloc_try_nid_raw(PAGE_SIZE, PAGE_SIZE,
                                                __pa(MAX_DMA_ADDRESS),
                                                MEMBLOCK_ALLOC_KASAN, node);
+       if (!p)
+               panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%llx\n",
+                     __func__, PAGE_SIZE, PAGE_SIZE, node,
+                     __pa(MAX_DMA_ADDRESS));
+
        return __pa(p);
 }