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| author | David Woodhouse <dwmw2@infradead.org> | 2008-04-22 12:34:25 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2008-04-22 12:34:25 +0100 |
| commit | f838bad1b3be8ca0c785ee0e0c570dfda74cf377 (patch) | |
| tree | 5a842a8056a708cfad55a20fa8ab733dd94b0903 /fs/isofs/compress.c | |
| parent | dd919660aacdf4adfcd279556aa03e595f7f0fc2 (diff) | |
| parent | 807501475fce0ebe68baedf87f202c3e4ee0d12c (diff) | |
| download | op-kernel-dev-f838bad1b3be8ca0c785ee0e0c570dfda74cf377.zip op-kernel-dev-f838bad1b3be8ca0c785ee0e0c570dfda74cf377.tar.gz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/isofs/compress.c')
| -rw-r--r-- | fs/isofs/compress.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/isofs/compress.c b/fs/isofs/compress.c index 37dbd64..defb932 100644 --- a/fs/isofs/compress.c +++ b/fs/isofs/compress.c @@ -72,6 +72,17 @@ static int zisofs_readpage(struct file *file, struct page *page) offset = index & ~zisofs_block_page_mask; blockindex = offset >> zisofs_block_page_shift; maxpage = (inode->i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; + + /* + * If this page is wholly outside i_size we just return zero; + * do_generic_file_read() will handle this for us + */ + if (page->index >= maxpage) { + SetPageUptodate(page); + unlock_page(page); + return 0; + } + maxpage = min(zisofs_block_pages, maxpage-offset); for ( i = 0 ; i < maxpage ; i++, offset++ ) { |
