rslib: Fix handling of of caller provided syndrome
authorFerdinand Blomqvist <ferdinand.blomqvist@gmail.com>
Thu, 20 Jun 2019 14:10:37 +0000 (17:10 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 4 Aug 2019 07:33:23 +0000 (09:33 +0200)
commit2419d391d84366bb330c844220a1efd5a89d6a14
treec1bc904c13afe96aa8b615a123d9de287b91b1fa
parent5c345e2afe52d23499c861999894ba564486beb0
rslib: Fix handling of of caller provided syndrome

[ Upstream commit ef4d6a8556b637ad27c8c2a2cff1dda3da38e9a9 ]

Check if the syndrome provided by the caller is zero, and act
accordingly.

Signed-off-by: Ferdinand Blomqvist <ferdinand.blomqvist@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190620141039.9874-6-ferdinand.blomqvist@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
lib/reed_solomon/decode_rs.c