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authorPhilippe Mathieu-Daudé <philmd@redhat.com>2020-08-21 21:53:51 +0200
committerKevin Wolf <kwolf@redhat.com>2020-09-07 12:23:55 +0200
commit4d980939374054b569dca981b1fb8f353c24a0ac (patch)
treef8d003499f2d55a754f48407400c202b9fed40f2 /block/nvme.c
parentc8edbfb2cc44ad78a8cfbdd6a0cd1af863e199fd (diff)
block/nvme: Rename local variable
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 <stefanha@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200821195359.1285345-8-philmd@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/nvme.c')
-rw-r--r--block/nvme.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/block/nvme.c b/block/nvme.c
index 909a565184..0992f2fb57 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_ZEROES);
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)