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[81.40.121.121]) by smtp.gmail.com with ESMTPSA id t23sm6727668wra.74.2020.08.21.12.54.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Aug 2020 12:54:38 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v6 07/15] block/nvme: Rename local variable Date: Fri, 21 Aug 2020 21:53:51 +0200 Message-Id: <20200821195359.1285345-8-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200821195359.1285345-1-philmd@redhat.com> References: <20200821195359.1285345-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0.002 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8; text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=63.128.21.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/21 02:43:55 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=-1, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Max Reitz , Stefan Hajnoczi , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Stefano Garzarella Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We are going to modify the code in the next commit. Renaming the 'resp' variable to 'id' first makes the next commit easier to review. No logical changes. Reviewed-by: Stefan Hajnoczi Reviewed-by: Stefano Garzarella Signed-off-by: Philippe Mathieu-Daudé --- block/nvme.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/block/nvme.c b/block/nvme.c index 419178adda3..15c5202c03c 100644 --- a/block/nvme.c +++ b/block/nvme.c @@ -510,8 +510,8 @@ static void nvme_identify(BlockDriverState *bs, int namespace, Error **errp) BDRVNVMeState *s = bs->opaque; NvmeIdCtrl *idctrl; NvmeIdNs *idns; + uint8_t *id; NvmeLBAF *lbaf; - uint8_t *resp; uint16_t oncs; int r; uint64_t iova; @@ -520,14 +520,14 @@ static void nvme_identify(BlockDriverState *bs, int namespace, Error **errp) .cdw10 = cpu_to_le32(0x1), }; - resp = qemu_try_blockalign0(bs, sizeof(NvmeIdCtrl)); - if (!resp) { + id = qemu_try_blockalign0(bs, sizeof(NvmeIdCtrl)); + if (!id) { error_setg(errp, "Cannot allocate buffer for identify response"); goto out; } - idctrl = (NvmeIdCtrl *)resp; - idns = (NvmeIdNs *)resp; - r = qemu_vfio_dma_map(s->vfio, resp, sizeof(NvmeIdCtrl), true, &iova); + idctrl = (NvmeIdCtrl *)id; + idns = (NvmeIdNs *)id; + r = qemu_vfio_dma_map(s->vfio, id, sizeof(NvmeIdCtrl), true, &iova); if (r) { error_setg(errp, "Cannot map buffer for DMA"); goto out; @@ -554,8 +554,7 @@ static void nvme_identify(BlockDriverState *bs, int namespace, Error **errp) s->supports_write_zeroes = !!(oncs & NVME_ONCS_WRITE_ZEROS); s->supports_discard = !!(oncs & NVME_ONCS_DSM); - memset(resp, 0, 4096); - + memset(id, 0, 4096); cmd.cdw10 = 0; cmd.nsid = cpu_to_le32(namespace); if (nvme_cmd_sync(bs, s->queues[INDEX_ADMIN], &cmd)) { @@ -587,8 +586,8 @@ static void nvme_identify(BlockDriverState *bs, int namespace, Error **errp) s->blkshift = lbaf->ds; out: - qemu_vfio_dma_unmap(s->vfio, resp); - qemu_vfree(resp); + qemu_vfio_dma_unmap(s->vfio, id); + qemu_vfree(id); } static bool nvme_poll_queues(BDRVNVMeState *s) -- 2.26.2