Squashfs: fix variable overflow triggered by sysbot

[linux-2.6-microblaze.git] / fs / squashfs / file_direct.c

diff --git a/fs/squashfs/file_direct.c b/fs/squashfs/file_direct.c
index f1ccad5..763a3f7 100644 (file)
--- a/fs/squashfs/file_direct.c
+++ b/fs/squashfs/file_direct.c
@@ -26,10 +26,10 @@ int squashfs_readpage_block(struct page *target_page, u64 block, int bsize,
        struct inode *inode = target_page->mapping->host;
        struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
 
-       int file_end = (i_size_read(inode) - 1) >> PAGE_SHIFT;
+       loff_t file_end = (i_size_read(inode) - 1) >> PAGE_SHIFT;
        int mask = (1 << (msblk->block_log - PAGE_SHIFT)) - 1;
-       int start_index = target_page->index & ~mask;
-       int end_index = start_index | mask;
+       loff_t start_index = target_page->index & ~mask;
+       loff_t end_index = start_index | mask;
        int i, n, pages, bytes, res = -ENOMEM;
        struct page **page;
        struct squashfs_page_actor *actor;