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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
| commit | 863981e96738983919de841ec669e157e6bdaeb0 (patch) | |
| tree | d6d89a12e7eb8017837c057935a2271290907f76 /fs/ramfs | |
| parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) | |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'fs/ramfs')
| -rw-r--r-- | fs/ramfs/file-nommu.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index a586467f6..be3ddd189 100644 --- a/fs/ramfs/file-nommu.c +++ b/fs/ramfs/file-nommu.c @@ -211,14 +211,11 @@ static unsigned long ramfs_nommu_get_unmapped_area(struct file *file, struct page **pages = NULL, **ptr, *page; loff_t isize; - if (!(flags & MAP_SHARED)) - return addr; - /* the mapping mustn't extend beyond the EOF */ lpages = (len + PAGE_SIZE - 1) >> PAGE_SHIFT; isize = i_size_read(inode); - ret = -EINVAL; + ret = -ENOSYS; maxpages = (isize + PAGE_SIZE - 1) >> PAGE_SHIFT; if (pgoff >= maxpages) goto out; @@ -227,7 +224,6 @@ static unsigned long ramfs_nommu_get_unmapped_area(struct file *file, goto out; /* gang-find the pages */ - ret = -ENOMEM; pages = kcalloc(lpages, sizeof(struct page *), GFP_KERNEL); if (!pages) goto out_free; @@ -263,7 +259,7 @@ out: */ static int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma) { - if (!(vma->vm_flags & VM_SHARED)) + if (!(vma->vm_flags & (VM_SHARED | VM_MAYSHARE))) return -ENOSYS; file_accessed(file); |