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-rw-r--r--hw/nvme/ctrl.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index 699919a..a984b80 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -1542,7 +1542,10 @@ static inline NvmeZone *nvme_get_zone_by_slba(NvmeNamespace *ns, uint64_t slba)
{
uint32_t zone_idx = nvme_zone_idx(ns, slba);
- assert(zone_idx < ns->num_zones);
+ if (zone_idx >= ns->num_zones) {
+ return NULL;
+ }
+
return &ns->zone_array[zone_idx];
}
@@ -1619,11 +1622,16 @@ static uint16_t nvme_check_zone_state_for_read(NvmeZone *zone)
static uint16_t nvme_check_zone_read(NvmeNamespace *ns, uint64_t slba,
uint32_t nlb)
{
- NvmeZone *zone = nvme_get_zone_by_slba(ns, slba);
- uint64_t bndry = nvme_zone_rd_boundary(ns, zone);
- uint64_t end = slba + nlb;
+ NvmeZone *zone;
+ uint64_t bndry, end;
uint16_t status;
+ zone = nvme_get_zone_by_slba(ns, slba);
+ assert(zone);
+
+ bndry = nvme_zone_rd_boundary(ns, zone);
+ end = slba + nlb;
+
status = nvme_check_zone_state_for_read(zone);
if (status) {
;
@@ -1790,6 +1798,7 @@ static void nvme_finalize_zoned_write(NvmeNamespace *ns, NvmeRequest *req)
slba = le64_to_cpu(rw->slba);
nlb = le16_to_cpu(rw->nlb) + 1;
zone = nvme_get_zone_by_slba(ns, slba);
+ assert(zone);
nvme_advance_zone_wp(ns, zone, nlb);
}
@@ -3186,6 +3195,7 @@ static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append,
if (ns->params.zoned) {
zone = nvme_get_zone_by_slba(ns, slba);
+ assert(zone);
if (append) {
bool piremap = !!(ctrl & NVME_RW_PIREMAP);