Ferdinand, On Sat, 30 Mar 2019, Ferdinand Blomqvist wrote:
> The decoder is broken. It only works with full length codes. A short explanation what is missing and what is done to fix it would be appreciated. > Signed-off-by: Ferdinand Blomqvist <[email protected]> > --- > lib/reed_solomon/decode_rs.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/lib/reed_solomon/decode_rs.c b/lib/reed_solomon/decode_rs.c > index 1db74eb098d0..3313bf944ff1 100644 > --- a/lib/reed_solomon/decode_rs.c > +++ b/lib/reed_solomon/decode_rs.c > @@ -99,9 +99,9 @@ > if (no_eras > 0) { > /* Init lambda to be the erasure locator polynomial */ > lambda[1] = alpha_to[rs_modnn(rs, > - prim * (nn - 1 - eras_pos[0]))]; > + prim * (nn - 1 - (eras_pos[0] + pad)))]; > for (i = 1; i < no_eras; i++) { > - u = rs_modnn(rs, prim * (nn - 1 - eras_pos[i])); > + u = rs_modnn(rs, prim * (nn - 1 - (eras_pos[i] + pad))); > for (j = i + 1; j > 0; j--) { > tmp = index_of[lambda[j - 1]]; > if (tmp != nn) { Code looks fine as is. Thanks, tglx
