In case kzalloc fails, the fix returns NULL to avoid NULL pointer dereference. Signed-off-by: zhangliguang <zhangliguang@xxxxxxxxxxxxxxxxx> --- fs/fuse/dev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 9971a35..23e73d8 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -61,6 +61,9 @@ static struct page **fuse_req_pages_alloc(unsigned int npages, gfp_t flags, pages = kzalloc(npages * (sizeof(struct page *) + sizeof(struct fuse_page_desc)), flags); + if (!pages) + return NULL; + *desc = (void *) pages + npages * sizeof(struct page *); return pages; -- 1.8.3.1
