From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jitendra Bhivare Subject: RE: [PATCH 1/2] scsi: be2iscsi: set errno on error path Date: Mon, 5 Dec 2016 08:57:28 +0530 Message-ID: References: <1480828902-4406-1-git-send-email-bianpan201603@163.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: In-Reply-To: <1480828902-4406-1-git-send-email-bianpan201603@163.com> Sender: linux-kernel-owner@vger.kernel.org To: Pan Bian , Subramanian Seetharaman , Ketan Mukadam , "James E.J. Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Pan Bian List-Id: linux-scsi@vger.kernel.org > -----Original Message----- > From: Pan Bian [mailto:bianpan201603@163.com] > Sent: Sunday, December 04, 2016 10:52 AM > To: Subbu Seetharaman; Ketan Mukadam; Jitendra Bhivare; James E.J. > Bottomley; Martin K. Petersen; linux-scsi@vger.kernel.org > Cc: linux-kernel@vger.kernel.org; Pan Bian > Subject: [PATCH 1/2] scsi: be2iscsi: set errno on error path > > From: Pan Bian > > Variable ret is reset in the loop, and its value will be 0 during the second and > after repeat of the loop. If pci_alloc_consistent() returns a NULL pointer then, it > will leaves with return value 0. 0 means no error, which is contrary to the fact. > This patches fixes the bug, explicitly assigning "-ENOMEM" to return variable ret > on the path that the call to > pci_alloc_consistent() fails. > > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188941 > > Signed-off-by: Pan Bian > --- > drivers/scsi/be2iscsi/be_main.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c > index d9239c2..b6c5791 100644 > --- a/drivers/scsi/be2iscsi/be_main.c > +++ b/drivers/scsi/be2iscsi/be_main.c > @@ -3113,8 +3113,10 @@ static int beiscsi_create_cqs(struct beiscsi_hba > *phba, > cq_vaddress = pci_alloc_consistent(phba->pcidev, > num_cq_pages * PAGE_SIZE, > &paddr); > - if (!cq_vaddress) > + if (!cq_vaddress) { > + ret = -ENOMEM; > goto create_cq_error; > + } > > ret = be_fill_queue(cq, phba->params.num_cq_entries, > sizeof(struct sol_cqe), cq_vaddress); > -- > 1.9.1 [JB] Thanks. Reviewed-by: Jitendra Bhivare