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From: Greg KH <gregkh@linuxfoundation.org>
To: linux-aspeed@lists.ozlabs.org
Subject: [PATCH] usb: gadget: Fix unsigned comparison with less than zero
Date: Fri, 24 Jun 2022 13:42:02 +0200	[thread overview]
Message-ID: <YrWjCnNJohij691b@kroah.com> (raw)
In-Reply-To: <20220623084347.38207-1-jiapeng.chong@linux.alibaba.com>

On Thu, Jun 23, 2022 at 04:43:47PM +0800, Jiapeng Chong wrote:
> This was found by coccicheck:
> 
> ./drivers/usb/gadget/udc/aspeed_udc.c:496:8-13: WARNING: Unsigned expression compared with zero: chunk >= 0.

What does this mean?  Where is the error?

Please explain the reason for changes, not just the output of a random
tool that you ran on the code.

> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>

What commit does this fix?

thanks,

greg k-h

WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <gregkh@linuxfoundation.org>
To: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Cc: neal_liu@aspeedtech.com, balbi@kernel.org, joel@jms.id.au,
	andrew@aj.id.au, sumit.semwal@linaro.org,
	christian.koenig@amd.com, linux-aspeed@lists.ozlabs.org,
	linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org
Subject: Re: [PATCH] usb: gadget: Fix unsigned comparison with less than zero
Date: Fri, 24 Jun 2022 13:42:02 +0200	[thread overview]
Message-ID: <YrWjCnNJohij691b@kroah.com> (raw)
In-Reply-To: <20220623084347.38207-1-jiapeng.chong@linux.alibaba.com>

On Thu, Jun 23, 2022 at 04:43:47PM +0800, Jiapeng Chong wrote:
> This was found by coccicheck:
> 
> ./drivers/usb/gadget/udc/aspeed_udc.c:496:8-13: WARNING: Unsigned expression compared with zero: chunk >= 0.

What does this mean?  Where is the error?

Please explain the reason for changes, not just the output of a random
tool that you ran on the code.

> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>

What commit does this fix?

thanks,

greg k-h

WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <gregkh@linuxfoundation.org>
To: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Cc: neal_liu@aspeedtech.com, balbi@kernel.org, joel@jms.id.au,
	andrew@aj.id.au, sumit.semwal@linaro.org,
	christian.koenig@amd.com, linux-aspeed@lists.ozlabs.org,
	linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org
Subject: Re: [PATCH] usb: gadget: Fix unsigned comparison with less than zero
Date: Fri, 24 Jun 2022 13:42:02 +0200	[thread overview]
Message-ID: <YrWjCnNJohij691b@kroah.com> (raw)
In-Reply-To: <20220623084347.38207-1-jiapeng.chong@linux.alibaba.com>

On Thu, Jun 23, 2022 at 04:43:47PM +0800, Jiapeng Chong wrote:
> This was found by coccicheck:
> 
> ./drivers/usb/gadget/udc/aspeed_udc.c:496:8-13: WARNING: Unsigned expression compared with zero: chunk >= 0.

What does this mean?  Where is the error?

Please explain the reason for changes, not just the output of a random
tool that you ran on the code.

> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>

What commit does this fix?

thanks,

greg k-h

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <gregkh@linuxfoundation.org>
To: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Cc: balbi@kernel.org, linux-aspeed@lists.ozlabs.org, andrew@aj.id.au,
	neal_liu@aspeedtech.com, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	sumit.semwal@linaro.org, linaro-mm-sig@lists.linaro.org,
	joel@jms.id.au, christian.koenig@amd.com,
	linux-arm-kernel@lists.infradead.org,
	linux-media@vger.kernel.org
Subject: Re: [PATCH] usb: gadget: Fix unsigned comparison with less than zero
Date: Fri, 24 Jun 2022 13:42:02 +0200	[thread overview]
Message-ID: <YrWjCnNJohij691b@kroah.com> (raw)
In-Reply-To: <20220623084347.38207-1-jiapeng.chong@linux.alibaba.com>

On Thu, Jun 23, 2022 at 04:43:47PM +0800, Jiapeng Chong wrote:
> This was found by coccicheck:
> 
> ./drivers/usb/gadget/udc/aspeed_udc.c:496:8-13: WARNING: Unsigned expression compared with zero: chunk >= 0.

What does this mean?  Where is the error?

Please explain the reason for changes, not just the output of a random
tool that you ran on the code.

> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>

What commit does this fix?

thanks,

greg k-h

  reply	other threads:[~2022-06-24 11:42 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-23  8:43 [PATCH] usb: gadget: Fix unsigned comparison with less than zero Jiapeng Chong
2022-06-23  8:43 ` Jiapeng Chong
2022-06-23  8:43 ` Jiapeng Chong
2022-06-23  8:43 ` Jiapeng Chong
2022-06-24 11:42 ` Greg KH [this message]
2022-06-24 11:42   ` Greg KH
2022-06-24 11:42   ` Greg KH
2022-06-24 11:42   ` Greg KH
2022-06-29  5:51   ` 回复：[PATCH] " Jiapeng.Chong
2022-06-29  5:51     ` Jiapeng.Chong
2022-06-29  5:59     ` Greg KH
2022-06-29  5:59       ` Greg KH
2022-06-29  5:59       ` Greg KH
2022-06-29  5:59       ` Greg KH

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