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Diffstat (limited to 'drivers/nvme/host/core.c')
| -rw-r--r-- | drivers/nvme/host/core.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index e37e2ecd574c..314705da2c10 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3049,9 +3049,11 @@ out: static inline u32 nvme_mps_to_sectors(struct nvme_ctrl *ctrl, u32 units) { - u32 page_shift = NVME_CAP_MPSMIN(ctrl->cap) + 12; + u32 page_shift = NVME_CAP_MPSMIN(ctrl->cap) + 12, val; - return 1 << (units + page_shift - 9); + if (check_shl_overflow(1U, units + page_shift - 9, &val)) + return UINT_MAX; + return val; } static int nvme_init_non_mdts_limits(struct nvme_ctrl *ctrl) |