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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 07:34:48 +0000 (09:34 +0200)
commita672374abdb0d2f4ceaaabdc3991c10b553c39d6
tree62863b506cb332a73d7730345f07859870614400
parenta7a7839b5537a5a0070d279d2007982c270a4516
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