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-rw-r--r--drivers/nvme/host/pci.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index ac2011b8dac1..bb970ca82517 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2503,7 +2503,8 @@ static void nvme_reset_work(struct work_struct *work)
* Limit the max command size to prevent iod->sg allocations going
* over a single page.
*/
- dev->ctrl.max_hw_sectors = NVME_MAX_KB_SZ << 1;
+ dev->ctrl.max_hw_sectors = min_t(u32,
+ NVME_MAX_KB_SZ << 1, dma_max_mapping_size(dev->dev) >> 9);
dev->ctrl.max_segments = NVME_MAX_SEGS;
/*