[PATCH] ice: initialize local variable 'tlv'

From: trix
Date: Mon Feb 14 2022 - 10:40:57 EST


From: Tom Rix <trix@xxxxxxxxxx>

Clang static analysis reports this issues
ice_common.c:5008:21: warning: The left expression of the compound
assignment is an uninitialized value. The computed value will
also be garbage
ldo->phy_type_low |= ((u64)buf << (i * 16));
~~~~~~~~~~~~~~~~~ ^

When called from ice_cfg_phy_fec() ldo is the unintialized local
variable tlv. So initialize.

Fixes: ea78ce4dab05 ("ice: add link lenient and default override support")
Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
---
drivers/net/ethernet/intel/ice/ice_common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index c57e5fc41cf8..0e4434e3c290 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -3379,7 +3379,7 @@ ice_cfg_phy_fec(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,

if (fec == ICE_FEC_AUTO && ice_fw_supports_link_override(hw) &&
!ice_fw_supports_report_dflt_cfg(hw)) {
- struct ice_link_default_override_tlv tlv;
+ struct ice_link_default_override_tlv tlv = { 0 };

status = ice_get_link_default_override(&tlv, pi);
if (status)
--
2.26.3