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mlxsw: thermal: Fix null dereference of NULL temperature parameter
The call to mlxsw_thermal_module_temp_and_thresholds_get passes a NULL pointer for the temperature and this can be dereferenced in this function if the mlxsw_reg_query call fails. The simplist fix is to pass the address of dummy temperature variable instead of a NULL pointer. Addresses-Coverity: ("Explicit null dereferenced") Fixes: 72a64c2 ("mlxsw: thermal: Read module temperature thresholds using MTMP register") Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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