931 	char *kbuf = NULL, *pos, *next_line;  in map_write()  local
939 	kbuf = memdup_user_nul(buf, count);  in map_write()
940 	if (IS_ERR(kbuf))  in map_write()
941 		return PTR_ERR(kbuf);  in map_write()
979 	pos = kbuf;  in map_write()
1104 	kfree(kbuf);  in map_write()
1218 	char kbuf[8], *pos;  in proc_setgroups_write()  local
1224 	if ((*ppos != 0) || (count >= sizeof(kbuf)))  in proc_setgroups_write()
1229 	if (copy_from_user(kbuf, buf, count))  in proc_setgroups_write()
1231 	kbuf[count] = '\0';  in proc_setgroups_write()
1232 	pos = kbuf;  in proc_setgroups_write()