tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-next head: 58c38116c6cc5bcb6d952ca72111a7a15d4604a2 commit: bcaa9d5c59005eceed5f2112c13240401f0fb93b [72/107] xhci: Create new structures to store xhci port information New smatch warnings: drivers/usb/host/xhci-mem.c:2250 xhci_create_rhub_port_array() error: potential null dereference 'rhub->ports'. (kcalloc returns null) Old smatch warnings: drivers/usb/host/xhci-mem.c:2280 xhci_setup_port_arrays() error: potential null dereference 'xhci->hw_ports'. (kcalloc returns null) vim +2250 drivers/usb/host/xhci-mem.c 2235 2236 static void xhci_create_rhub_port_array(struct xhci_hcd *xhci, 2237 struct xhci_hub *rhub, gfp_t flags) 2238 { 2239 int port_index = 0; 2240 int i; 2241 2242 if (!rhub->num_ports) 2243 return; 2244 rhub->ports = kcalloc(rhub->num_ports, sizeof(rhub->ports), flags); 2245 for (i = 0; i < HCS_MAX_PORTS(xhci->hcs_params1); i++) { 2246 if (xhci->hw_ports[i].rhub != rhub || 2247 xhci->hw_ports[i].hcd_portnum == DUPLICATE_ENTRY) 2248 continue; 2249 xhci->hw_ports[i].hcd_portnum = port_index; > 2250 rhub->ports[port_index] = &xhci->hw_ports[i]; 2251 port_index++; 2252 if (port_index == rhub->num_ports) 2253 break; 2254 } 2255 } 2256 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
