e1000: check return value of _get_speed_and_duplex
We were not checking the return value of get_speed_and_duplex properly, whih may contain an error value. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
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1 changed files with 6 additions and 2 deletions
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@ -2737,8 +2737,12 @@ e1000_check_for_link(struct e1000_hw *hw)
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*/
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if(hw->tbi_compatibility_en) {
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uint16_t speed, duplex;
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e1000_get_speed_and_duplex(hw, &speed, &duplex);
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if(speed != SPEED_1000) {
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ret_val = e1000_get_speed_and_duplex(hw, &speed, &duplex);
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if (ret_val) {
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DEBUGOUT("Error getting link speed and duplex\n");
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return ret_val;
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}
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if (speed != SPEED_1000) {
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/* If link speed is not set to gigabit speed, we do not need
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* to enable TBI compatibility.
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*/
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