diff options
Diffstat (limited to 'fs/dax.c')
-rw-r--r-- | fs/dax.c | 18 |
1 files changed, 2 insertions, 16 deletions
@@ -1009,7 +1009,6 @@ static int dax_load_hole(struct address_space *mapping, void *entry, unsigned long vaddr = vmf->address; int ret = VM_FAULT_NOPAGE; struct page *zero_page; - void *entry2; pfn_t pfn; zero_page = ZERO_PAGE(0); @@ -1019,13 +1018,8 @@ static int dax_load_hole(struct address_space *mapping, void *entry, } pfn = page_to_pfn_t(zero_page); - entry2 = dax_insert_mapping_entry(mapping, vmf, entry, pfn, - RADIX_DAX_ZERO_PAGE, false); - if (IS_ERR(entry2)) { - ret = VM_FAULT_SIGBUS; - goto out; - } - + dax_insert_mapping_entry(mapping, vmf, entry, pfn, RADIX_DAX_ZERO_PAGE, + false); vm_insert_mixed(vmf->vma, vaddr, pfn); out: trace_dax_load_hole(inode, vmf, ret); @@ -1337,10 +1331,6 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf, pfn_t *pfnp, entry = dax_insert_mapping_entry(mapping, vmf, entry, pfn, 0, write && !sync); - if (IS_ERR(entry)) { - error = PTR_ERR(entry); - goto error_finish_iomap; - } /* * If we are doing synchronous page fault and inode needs fsync, @@ -1424,8 +1414,6 @@ static int dax_pmd_load_hole(struct vm_fault *vmf, struct iomap *iomap, pfn = page_to_pfn_t(zero_page); ret = dax_insert_mapping_entry(mapping, vmf, entry, pfn, RADIX_DAX_PMD | RADIX_DAX_ZERO_PAGE, false); - if (IS_ERR(ret)) - goto fallback; ptl = pmd_lock(vmf->vma->vm_mm, vmf->pmd); if (!pmd_none(*(vmf->pmd))) { @@ -1547,8 +1535,6 @@ static int dax_iomap_pmd_fault(struct vm_fault *vmf, pfn_t *pfnp, entry = dax_insert_mapping_entry(mapping, vmf, entry, pfn, RADIX_DAX_PMD, write && !sync); - if (IS_ERR(entry)) - goto finish_iomap; /* * If we are doing synchronous page fault and inode needs fsync, |