diff options
Diffstat (limited to 'fs/jffs2/read.c')
| -rw-r--r-- | fs/jffs2/read.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/jffs2/read.c b/fs/jffs2/read.c index cfe05c1966a5..3f39be1b0455 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, | |||
| 164 | 164 | ||
| 165 | /* XXX FIXME: Where a single physical node actually shows up in two | 165 | /* XXX FIXME: Where a single physical node actually shows up in two |
| 166 | frags, we read it twice. Don't do that. */ | 166 | frags, we read it twice. Don't do that. */ |
| 167 | /* Now we're pointing at the first frag which overlaps our page */ | 167 | /* Now we're pointing at the first frag which overlaps our page |
| 168 | * (or perhaps is before it, if we've been asked to read off the | ||
| 169 | * end of the file). */ | ||
| 168 | while(offset < end) { | 170 | while(offset < end) { |
| 169 | D2(printk(KERN_DEBUG "jffs2_read_inode_range: offset %d, end %d\n", offset, end)); | 171 | D2(printk(KERN_DEBUG "jffs2_read_inode_range: offset %d, end %d\n", offset, end)); |
| 170 | if (unlikely(!frag || frag->ofs > offset)) { | 172 | if (unlikely(!frag || frag->ofs > offset || |
| 173 | frag->ofs + frag->size <= offset)) { | ||
| 171 | uint32_t holesize = end - offset; | 174 | uint32_t holesize = end - offset; |
| 172 | if (frag) { | 175 | if (frag && frag->ofs > offset) { |
| 173 | D1(printk(KERN_NOTICE "Eep. Hole in ino #%u fraglist. frag->ofs = 0x%08x, offset = 0x%08x\n", f->inocache->ino, frag->ofs, offset)); | 176 | D1(printk(KERN_NOTICE "Eep. Hole in ino #%u fraglist. frag->ofs = 0x%08x, offset = 0x%08x\n", f->inocache->ino, frag->ofs, offset)); |
| 174 | holesize = min(holesize, frag->ofs - offset); | 177 | holesize = min(holesize, frag->ofs - offset); |
| 175 | } | 178 | } |
