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nvme: remove the magic 1024 constant in nvme_scan_ns_list 

Replace it with a value derived from the identify data and nsid sizes.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2020-04-04 10:34:21 +02:00 committed by Jens Axboe
parent 4005f28d25
commit aec459b484
1 changed files with 2 additions and 1 deletions
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3
drivers/nvme/host/core.c
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@ -3742,6 +3742,7 @@ static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl,
static int nvme_scan_ns_list(struct nvme_ctrl *ctrl)
{
const int nr_entries = NVME_IDENTIFY_DATA_SIZE / sizeof(__le32);
__le32 *ns_list;
u32 prev = 0;
int ret = 0, i;
@ -3758,7 +3759,7 @@ static int nvme_scan_ns_list(struct nvme_ctrl *ctrl)
if (ret)
goto free;
for (i = 0; i < 1024; i++) {
for (i = 0; i < nr_entries; i++) {
u32 nsid = le32_to_cpu(ns_list[i]);
if (!nsid) /* end of the list? */