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Re: [PATCH] lib80211: Use ERR_CAST() to return

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To: Rohit Chavan <roheetchavan@xxxxxxxxx>
Subject: Re: [PATCH] lib80211: Use ERR_CAST() to return
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Sat, 7 Sep 2024 21:08:46 +0100
Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Paolo Abeni <pabeni@xxxxxxxxxx>, linux-wireless@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20240906114455.730559-1-roheetchavan@gmail.com>
References: <20240906114455.730559-1-roheetchavan@gmail.com>

On Fri, Sep 06, 2024 at 05:14:55PM +0530, Rohit Chavan wrote:
> Using ERR_CAST() is more reasonable and safer, When it is necessary
> to convert the type of an error pointer and return it.

Why is it safer?

Please, explain the reasoning that had lead you to this conclusion.
This is a serious request, BTW.

References:
- [PATCH] lib80211: Use ERR_CAST() to return
  - From: Rohit Chavan

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