Re: [PATCH 2/2] ide-cd: Fix another signedness warning

From: David Miller
Date: Tue May 31 2011 - 18:26:03 EST


From: Connor Hansen <cmdkhh@xxxxxxxxx>
Date: Mon, 30 May 2011 00:26:58 -0700

> One of the legit warnings 'make W=3 drivers/ide/ide-cd.o generates is
>
> drivers/ide/ide-cd.c: In function ide_cd_queue_pc:
> drivers/ide/ide-cd.c:451:3: warning: conversion to unsigned int from
> int may change the sign of the result
>
> timeout is passed as an int, but is declared as an unsigned int in
> struct request in include/linux/blkdev.h
>
> Signed-off-by: Connor Hansen <cmdkhh@xxxxxxxxx>

This is beyond academic and may in fact introduce strange things.

All except one call site passes "0" for the timeout.

And that one call site passes packet_command->timeout from userspace
which is an 'int'.

I'm not applying this.
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