USB: validate wMaxPacketValue entries in endpoint descriptors

[karo-tx-linux.git] / mm / shmem.c

diff --git a/mm/shmem.c b/mm/shmem.c
index 2ac19a61d5655b82d6aa6b01a37eb6d05ea3a72a..7f7748a0f9e1f738fd1ffcaceccdee2ae54d8d35 100644 (file)
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1362,13 +1362,14 @@ static struct page *shmem_alloc_hugepage(gfp_t gfp,
        struct vm_area_struct pvma;
        struct inode *inode = &info->vfs_inode;
        struct address_space *mapping = inode->i_mapping;
-       pgoff_t idx, hindex = round_down(index, HPAGE_PMD_NR);
+       pgoff_t idx, hindex;
        void __rcu **results;
        struct page *page;
 
        if (!IS_ENABLED(CONFIG_TRANSPARENT_HUGE_PAGECACHE))
                return NULL;
 
+       hindex = round_down(index, HPAGE_PMD_NR);
        rcu_read_lock();
        if (radix_tree_gang_lookup_slot(&mapping->page_tree, &results, &idx,
                                hindex, 1) && idx < hindex + HPAGE_PMD_NR) {