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authorDavid S. Miller <davem@davemloft.net>2009-12-01 22:13:38 -0800
committerDavid S. Miller <davem@davemloft.net>2009-12-01 22:13:38 -0800
commitff9c38bba37937adb909cceb2a6521f2e92e17c6 (patch)
tree93bd6152d9fa28348be99ef1c788040cc7b7a94d /fs/jffs2/read.c
parent65c0cfafce9575319fb6f70080fbe226e5617e3b (diff)
parentb2722b1c3a893ec6021508da15b32282ec79f4da (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: net/mac80211/ht.c
Diffstat (limited to 'fs/jffs2/read.c')
-rw-r--r--fs/jffs2/read.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/jffs2/read.c b/fs/jffs2/read.c
index cfe05c1966a..3f39be1b045 100644
--- 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);
}