kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity. Signed-off-by: Kunwu Chan <chentao@xxxxxxxxxx> --- drivers/usb/gadget/udc/aspeed-vhub/epn.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/gadget/udc/aspeed-vhub/epn.c b/drivers/usb/gadget/udc/aspeed-vhub/epn.c index 148d7ec3ebf4..e0854e878411 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/epn.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/epn.c @@ -826,6 +826,8 @@ struct ast_vhub_ep *ast_vhub_alloc_epn(struct ast_vhub_dev *d, u8 addr) ep->vhub = vhub; ep->ep.ops = &ast_vhub_epn_ops; ep->ep.name = kasprintf(GFP_KERNEL, "ep%d", addr); + if (!ep->ep.name) + return NULL; d->epns[addr-1] = ep; ep->epn.g_idx = i; ep->epn.regs = vhub->regs + 0x200 + (i * 0x10); -- 2.34.1
