the first switch already returns in the F_SETLKW code path so it need not be handled in the second switch. moreover the code in the second switch is wrong for the F_SETLKW command: it's not cancellable.
@@ -39,7 +39,6 @@ int fcntl(int fd, int cmd, ...)
}
switch (cmd) {
case F_SETLK:
- case F_SETLKW:
case F_GETLK:
case F_GETOWN_EX:
case F_SETOWN_EX: