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mctp: Fix check for dev_hard_header() result
authorMatt Johnston <matt@codeconstruct.com.au>
Fri, 1 Apr 2022 02:48:42 +0000 (10:48 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 13 Apr 2022 18:59:16 +0000 (20:59 +0200)
commit71d28e5073b817189418ddd694e35e08d1c79cf3
tree66a14087b0c32bc9166c1e39f007c4f56f0d47e2tree | snapshot
parent40229b2977f1dffa75915ca0a9099427c18063a9commit | diff
mctp: Fix check for dev_hard_header() result

[ Upstream commit 60be976ac45137657b7b505d7e0d44d0e51accb7 ]

dev_hard_header() returns the length of the header, so
we need to test for negative errors rather than non-zero.

Fixes: 889b7da23abf ("mctp: Add initial routing framework")
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
net/mctp/route.c diff | blob | history
Domain: System / Kernel;