linux-kernel - Re: [PATCH] net: hsr: Use full string description when opening HSR network device

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Date: Mon, 4 Mar 2024 15:21:39 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Ravi Gunasekaran <r-gunasekaran@...com>
Cc: Lukasz Majewski <lukma@...x.de>,
	Oleksij Rempel <o.rempel@...gutronix.de>,
	Eric Dumazet <edumazet@...gle.com>,
	Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
	Tristram.Ha@...rochip.com,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Paolo Abeni <pabeni@...hat.com>,
	Nikita Zhandarovich <n.zhandarovich@...tech.ru>,
	Murali Karicheri <m-karicheri2@...com>,
	Ziyang Xuan <william.xuanziyang@...wei.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: hsr: Use full string description when opening HSR
 network device

> >  		case HSR_PT_SLAVE_A:
> > -			designation = 'A';
> > +			designation = "Slave A";
> 
> "designation" is now a pointer and is being assigned value
> without even allocating memory for it.

"Slave A" is in memory somewhere, probably the .rodata section. So
designation now points to that memory.

	Andrew