| Message ID | 147318056595.30325.8488744773976820879.stgit@dwillia2-desk3.amr.corp.intel.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 4c3cb6e9a9d9 |
| Headers | show |
diff --git a/drivers/dax/dax.c b/drivers/dax/dax.c index 803f3953b341..29f600f2c447 100644 --- a/drivers/dax/dax.c +++ b/drivers/dax/dax.c @@ -459,7 +459,7 @@ static int __dax_dev_pmd_fault(struct dax_dev *dax_dev, } pgoff = linear_page_index(vma, pmd_addr); - phys = pgoff_to_phys(dax_dev, pgoff, PAGE_SIZE); + phys = pgoff_to_phys(dax_dev, pgoff, PMD_SIZE); if (phys == -1) { dev_dbg(dev, "%s: phys_to_pgoff(%#lx) failed\n", __func__, pgoff);
pgoff_to_phys() validates that both the starting address and the length of the mapping against the resource list. We need to check for a mapping size of PMD_SIZE not PAGE_SIZE in the pmd fault path. Signed-off-by: Dan Williams <dan.j.williams@intel.com> --- drivers/dax/dax.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)