patch-2.3.26 linux/fs/ncpfs/mmap.c

• Lines: 12
• Date: Fri Nov 5 14:22:05 1999
• Orig file: v2.3.25/linux/fs/ncpfs/mmap.c
• Orig date: Mon Nov 1 13:56:27 1999

diff -u --recursive --new-file v2.3.25/linux/fs/ncpfs/mmap.c linux/fs/ncpfs/mmap.c
@@ -119,6 +119,11 @@
 		return -EINVAL;
 	if (!inode->i_sb || !S_ISREG(inode->i_mode))
 		return -EACCES;
+	/* we do not support files bigger than 4GB... We eventually 
+	   supports just 4GB... */
+	if (((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff 
+	   > (1U << (32 - PAGE_SHIFT)))
+		return -EFBIG;
 	if (!IS_RDONLY(inode)) {
 		inode->i_atime = CURRENT_TIME;
 	}