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From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Daniel Axtens <dja@axtens.net>, kbuild test robot <lkp@intel.com>,
	kbuild-all@lists.01.org, Johannes Weiner <hannes@cmpxchg.org>,
	Dmitry Vyukov <dvyukov@google.com>,
	Linux Memory Management List <linux-mm@kvack.org>,
	linux-scsi@vger.kernel.org
Subject: Re: [hnaz-linux-mm:master 156/523] include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
Date: Tue, 19 May 2020 22:08:53 -0400	[thread overview]
Message-ID: <yq17dx7wej4.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20200519184847.5affb9238b7358ac0d18c98e@linux-foundation.org> (Andrew Morton's message of "Tue, 19 May 2020 18:48:47 -0700")


Andrew,

> 		/* Vendor Identification */
>>>>		strncpy(&inqdata[16], "RAID controller ", 16);

> That strncpy() will indeed fail to copy the trailing null, but it looks
> like that null isn't appropriate in the inquiry data.

Correct. These protocol strings are fixed-length / space-padded.
I.e. not null-terminated.

-- 
Martin K. Petersen	Oracle Linux Engineering


  reply	other threads:[~2020-05-20  2:09 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-19  9:23 [hnaz-linux-mm:master 156/523] include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy' kbuild test robot
2020-05-19 14:42 ` Daniel Axtens
2020-05-20  1:48   ` Andrew Morton
2020-05-20  2:08     ` Martin K. Petersen [this message]
2020-05-20  3:57     ` Daniel Axtens
2020-05-19 14:42 ` Daniel Axtens

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