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| author | Suren A. Chilingaryan <csa@suren.me> | 2016-05-14 04:51:10 +0200 |
|---|---|---|
| committer | Suren A. Chilingaryan <csa@suren.me> | 2016-05-14 04:51:10 +0200 |
| commit | e9d114839b813240b460be4ef7d1bfb7560a2482 (patch) | |
| tree | 362efbf59b87042b3c7a5ff0c4afb420ebd5fdd9 /driver | |
| parent | a21dea7a0d06cbdfe9a94c88b1ba99425bf2e102 (diff) | |
| download | pcitool-e9d114839b813240b460be4ef7d1bfb7560a2482.tar.gz pcitool-e9d114839b813240b460be4ef7d1bfb7560a2482.tar.bz2 pcitool-e9d114839b813240b460be4ef7d1bfb7560a2482.tar.xz pcitool-e9d114839b813240b460be4ef7d1bfb7560a2482.zip | |
Fix handling of vm_pgoff in the driver
Diffstat (limited to 'driver')
| -rw-r--r-- | driver/dev.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/driver/dev.c b/driver/dev.c index 75b2516..fce6896 100644 --- a/driver/dev.c +++ b/driver/dev.c @@ -133,19 +133,13 @@ static int pcidriver_mmap_area(pcidriver_privdata_t *privdata, struct vm_area_st int ret = 0; unsigned long vma_size; - unsigned long addr = vmap->vm_pgoff; mod_info_dbg("Entering mmap_addr\n"); /* Check sizes */ vma_size = (vmap->vm_end - vmap->vm_start); - if (addr % PAGE_SIZE) { - mod_info("mmap addr (0x%lx) is not aligned to page boundary\n", addr); - return -EINVAL; - } - - ret = remap_pfn_range(vmap, vmap->vm_start, (addr >> PAGE_SHIFT), vma_size, vmap->vm_page_prot); + ret = remap_pfn_range(vmap, vmap->vm_start, vmap->vm_pgoff, vma_size, vmap->vm_page_prot); if (ret) { mod_info("remap_pfn_range failed\n"); |