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-rw-r--r--fs/nfs/read.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 4b5f58da5650..fd9018c692bb 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -51,14 +51,11 @@ struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount)
51 if (p) { 51 if (p) {
52 memset(p, 0, sizeof(*p)); 52 memset(p, 0, sizeof(*p));
53 INIT_LIST_HEAD(&p->pages); 53 INIT_LIST_HEAD(&p->pages);
54 if (pagecount < NFS_PAGEVEC_SIZE) 54 if (pagecount <= ARRAY_SIZE(p->page_array))
55 p->pagevec = &p->page_array[0]; 55 p->pagevec = p->page_array;
56 else { 56 else {
57 size_t size = ++pagecount * sizeof(struct page *); 57 p->pagevec = kcalloc(pagecount, sizeof(struct page *), GFP_NOFS);
58 p->pagevec = kmalloc(size, GFP_NOFS); 58 if (!p->pagevec) {
59 if (p->pagevec) {
60 memset(p->pagevec, 0, size);
61 } else {
62 mempool_free(p, nfs_rdata_mempool); 59 mempool_free(p, nfs_rdata_mempool);
63 p = NULL; 60 p = NULL;
64 } 61 }