X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fisofs%2Fcompress.c;h=defb932eee9a9f45836ac2f62ee9dcf5f3838152;hb=eda3d8f5604860aae1bb9996bb5efc4213778369;hp=37dbd6404787b72c94513e66e7634166f2ebaa92;hpb=0b776eb5426752d4e53354ac89e3710d857e09a7;p=linux-2.6-omap-h63xx.git

diff --git a/fs/isofs/compress.c b/fs/isofs/compress.c
index 37dbd640478..defb932eee9 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++ ) {