Re: [PATCH] scsi: lpfc: prevent potential null pointer dereference

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To: "Gustavo A. R. Silva" <garsilva@xxxxxxxxxxxxxx>
Subject: Re: [PATCH] scsi: lpfc: prevent potential null pointer dereference
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Wed, 31 May 2017 22:45:47 -0400
Cc: James Smart <james.smart@xxxxxxxxxxxx>, Dick Kennedy <dick.kennedy@xxxxxxxxxxxx>, "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20170523150928.GA24570@embeddedgus> (Gustavo A. R. Silva's message of "Tue, 23 May 2017 10:09:28 -0500")
Organization: Oracle Corporation
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux)

Gustavo A.,

> Null check at line 966: if (ndlp) {, implies that ndlp might be NULL.
> Functions lpfc_nlp_set_state() and lpfc_issue_els_prli() dereference
> pointer ndlp. Include these function calls inside the IF block that
> tests pointer ndlp.

Applied to 4.12/scsi-fixes. Thank you!

-- 
Martin K. Petersen	Oracle Linux Engineering

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- [PATCH] scsi: lpfc: prevent potential null pointer dereference
  - From: Gustavo A. R. Silva

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