On Jun 6, 2018, at 12:49 PM, Eric Sandeen <sandeen@xxxxxxxxxx> wrote: > > When ext4_find_entry() falls back to "searching the old fashioned > way" due to a corrupt dx dir, it needs to reset the error code > to NULL so that the nonstandard ERR_BAD_DX_DIR code isn't returned > to userspace. > > https://bugzilla.kernel.org/show_bug.cgi?id=199947 > > Reported-by: Anatoly Trosinenko <anatoly.trosinenko@xxxxxxxxxx> > Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx> Reviewed-by: Andreas Dilger <adilger@xxxxxxxxx> > --- > > diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c > index b1f21e3a0763..559b2b9d392a 100644 > --- a/fs/ext4/namei.c > +++ b/fs/ext4/namei.c > @@ -1398,6 +1400,7 @@ static struct buffer_head * ext4_find_entry (struct inode *dir, > goto cleanup_and_exit; > dxtrace(printk(KERN_DEBUG "ext4_find_entry: dx failed, " > "falling back\n")); > + ret = NULL; > } > nblocks = dir->i_size >> EXT4_BLOCK_SIZE_BITS(sb); > if (!nblocks) { Cheers, Andreas
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