eCryptfs: Add getattr function

[~andy/linux] / fs / jffs2 / read.c

diff --git a/fs/jffs2/read.c b/fs/jffs2/read.c
index cfe05c1966a582140986e33cf25940683abdafb5..3f39be1b0455a03be83b8cb08bfa224a6dd75d7b 100644 (file)
--- a/fs/jffs2/read.c
+++ b/fs/jffs2/read.c
@@ -164,12 +164,15 @@ int jffs2_read_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
 
        /* XXX FIXME: Where a single physical node actually shows up in two
           frags, we read it twice. Don't do that. */
-       /* Now we're pointing at the first frag which overlaps our page */
+       /* Now we're pointing at the first frag which overlaps our page
+        * (or perhaps is before it, if we've been asked to read off the
+        * end of the file). */
        while(offset < end) {
                D2(printk(KERN_DEBUG "jffs2_read_inode_range: offset %d, end %d\n", offset, end));
-               if (unlikely(!frag || frag->ofs > offset)) {
+               if (unlikely(!frag || frag->ofs > offset ||
+                            frag->ofs + frag->size <= offset)) {
                        uint32_t holesize = end - offset;
-                       if (frag) {
+                       if (frag && frag->ofs > offset) {
                                D1(printk(KERN_NOTICE "Eep. Hole in ino #%u fraglist. frag->ofs = 0x%08x, offset = 0x%08x\n", f->inocache->ino, frag->ofs, offset));
                                holesize = min(holesize, frag->ofs - offset);
                        }