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Commit 1ea1d49d authored by Dave Gerlach's avatar Dave Gerlach Committed by Greg Kroah-Hartman
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hwrng: omap - Only fail if pm_runtime_get_sync returns < 0



commit ad8529fd upstream.

Currently omap-rng checks the return value of pm_runtime_get_sync and
reports failure if anything is returned, however it should be checking
if ret < 0 as pm_runtime_get_sync return 0 on success but also can return
1 if the device was already active which is not a failure case. Only
values < 0 are actual failures.

Fixes: 61dc0a44 ("hwrng: omap - Fix assumption that runtime_get_sync will always succeed")
Signed-off-by: default avatarDave Gerlach <d-gerlach@ti.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2b130985
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