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mlxsw: spectrum_router: Remove inappropriate usage of WARN_ON()
We should not trigger a warning when a memory allocation fails. Remove the WARN_ON(). The warning is constantly triggered by syzkaller when it is injecting faults: [ 2230.758664] FAULT_INJECTION: forcing a failure. [ 2230.758664] name failslab, interval 1, probability 0, space 0, times 0 [ 2230.762329] CPU: 3 PID: 1407 Comm: syz-executor.0 Not tainted 5.8.0-rc2+ #28 ... [ 2230.898175] WARNING: CPU: 3 PID: 1407 at drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:6265 mlxsw_sp_router_fib_event+0xfad/0x13e0 [ 2230.898179] Kernel panic - not syncing: panic_on_warn set ... [ 2230.898183] CPU: 3 PID: 1407 Comm: syz-executor.0 Not tainted 5.8.0-rc2+ #28 [ 2230.898190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014 Fixes: 3057224 ("mlxsw: spectrum_router: Implement FIB offload in deferred work") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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