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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Haowen Bai <baihaowen@meizu.com>
Cc: lkp@intel.com, gregkh@linuxfoundation.org,
	kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
	linux-staging@lists.linux.dev
Subject: Re: [PATCH V5] staging: rtl8192e: Fix signedness bug in rtllib_rx_assoc_resp()
Date: Thu, 21 Apr 2022 19:22:01 +0300	[thread overview]
Message-ID: <20220421162201.GC2462@kadam> (raw)
In-Reply-To: <1650529277-7893-1-git-send-email-baihaowen@meizu.com>

On Thu, Apr 21, 2022 at 04:21:17PM +0800, Haowen Bai wrote:
> The rtllib_rx_assoc_resp() function has a signedness bug because it's
> a declared as a u16 but it return -ENOMEM.  When you look at it more
> closely it returns a mix of error codes including 0xcafe, -ENOMEM, and
> a->status which is WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG.  This is a mess.
> 
> Clean it up to just return standard kernel error codes.  We can print
> out the a->status before returning a regular error code.  The printks
> in the caller need to be adjusted as well.
> 
> Signed-off-by: Haowen Bai <baihaowen@meizu.com>
> ---
> V1->V2: reduce return random value; print its own error message.
> V2->V3: change commit message; change s16 -> int.
> V3->V4: 
> 1. change message suggested by Dan Carpenter;
> 2. hold a->status in auth_parse() and return error code or 0 on success.
> 3. print le16_to_cpu(errcode) -> int %d.
> V4->V5: fix compile error.
> 

Looks ok.

Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>

regards,
dan carpenter


  reply	other threads:[~2022-04-21 16:26 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-15  2:09 [PATCH V2] staging: rtl8192e: Fix signedness bug in rtllib_rx_assoc_resp() Haowen Bai
2022-04-15  5:22 ` Fabio M. De Francesco
2022-04-15  5:31   ` Dan Carpenter
2022-04-15  5:50     ` [PATCH V3] " Haowen Bai
2022-04-15  6:06       ` Fabio M. De Francesco
2022-04-15  6:10         ` Fabio M. De Francesco
2022-04-15  6:15           ` [PATCH V4] " Haowen Bai
2022-04-15  6:20             ` Dan Carpenter
2022-04-15  6:39               ` Haowen Bai
2022-04-15  6:58                 ` Dan Carpenter
2022-04-15  7:21                   ` Haowen Bai
2022-04-20 16:41                     ` Greg Kroah-Hartman
2022-04-21  1:34                       ` Haowen Bai
2022-04-21  8:09                         ` kernel test robot
2022-04-21  8:21                           ` [PATCH V5] " Haowen Bai
2022-04-21 16:22                             ` Dan Carpenter [this message]
2022-04-18  1:48                   ` [PATCH V4] " baihaowen
2022-04-15  6:18       ` [PATCH V3] " Dan Carpenter
2022-04-15  5:25 ` [PATCH V2] " Dan Carpenter

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