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Commit 7ad47b64 authored by Zijun Hu's avatar Zijun Hu Committed by Greg Kroah-Hartman
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driver core: bus: Return -EIO instead of 0 when show/store invalid bus attribute



[ Upstream commit c0fd973c108cdc22a384854bc4b3e288a9717bb2 ]

Return -EIO instead of 0 for below erroneous bus attribute operations:
 - read a bus attribute without show().
 - write a bus attribute without store().

Signed-off-by: default avatarZijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20240724-bus_fix-v2-1-5adbafc698fb@quicinc.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 33529e27
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