u32 lflags = handlereq.flags;
struct gpio_desc *desc;
+ if (offset >= gdev->ngpio) {
+ ret = -EINVAL;
+ goto out_free_descs;
+ }
+
desc = &gdev->descs[offset];
ret = gpiod_request(desc, lh->label);
if (ret)
if (cmd == GPIO_GET_CHIPINFO_IOCTL) {
struct gpiochip_info chipinfo;
+ memset(&chipinfo, 0, sizeof(chipinfo));
+
strncpy(chipinfo.name, dev_name(&gdev->dev),
sizeof(chipinfo.name));
chipinfo.name[sizeof(chipinfo.name)-1] = '\0';
if (copy_from_user(&lineinfo, ip, sizeof(lineinfo)))
return -EFAULT;
- if (lineinfo.line_offset > gdev->ngpio)
+ if (lineinfo.line_offset >= gdev->ngpio)
return -EINVAL;
desc = &gdev->descs[lineinfo.line_offset];