aboutsummaryrefslogtreecommitdiff
path: root/fs/jffs2/read.c
diff options
context:
space:
mode:
authorJames Morris <jmorris@macbook.(none)>2009-12-03 12:03:40 +0530
committerJames Morris <jmorris@macbook.(none)>2009-12-03 12:03:40 +0530
commitc84d6efd363a3948eb32ec40d46bab6338580454 (patch)
tree3ba7ac46e6626fe8ac843834588609eb6ccee5c6 /fs/jffs2/read.c
parent7539cf4b92be4aecc573ea962135f246a7a33401 (diff)
parent22763c5cf3690a681551162c15d34d935308c8d7 (diff)
Merge branch 'master' into next
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);
}