178 	char *cmdline;  in cmdline_show()  local
183 	cmdline = cdev->cmdline;  in cmdline_show()
185 	if (cmdline)  in cmdline_show()
186 		return scnprintf(buf, PAGE_SIZE, "%s\n", cmdline);  in cmdline_show()
200 	kfree(cdev->cmdline);  in cmdline_store()
202 	cdev->cmdline = kmalloc(count + 1, GFP_KERNEL);  in cmdline_store()
203 	if (!cdev->cmdline) {  in cmdline_store()
208 	strncpy(cdev->cmdline, buf, count);  in cmdline_store()
210 	if (cdev->cmdline[count - 1] == '\n')  in cmdline_store()
211 		cdev->cmdline[count - 1] = '\0';  in cmdline_store()
213 		cdev->cmdline[count] = '\0';  in cmdline_store()
218 static DEVICE_ATTR_RW(cmdline);