From: <gregkh@linuxfoundation.org>
To: trix@redhat.com, anthony.l.nguyen@intel.com, gurucharanx.g@intel.com
Cc: <stable@vger.kernel.org>
Subject: FAILED: patch "[PATCH] ice: initialize local variable 'tlv'" failed to apply to 5.10-stable tree
Date: Fri, 25 Feb 2022 16:25:10 +0100 [thread overview]
Message-ID: <164580271018249@kroah.com> (raw)
The patch below does not apply to the 5.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 5950bdc88dd1d158f2845fdff8fb1de86476806c Mon Sep 17 00:00:00 2001
From: Tom Rix <trix@redhat.com>
Date: Mon, 14 Feb 2022 07:40:43 -0800
Subject: [PATCH] ice: initialize local variable 'tlv'
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 uninitialized local
variable tlv. So initialize.
Fixes: ea78ce4dab05 ("ice: add link lenient and default override support")
Signed-off-by: Tom Rix <trix@redhat.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index a6d7d3eff186..e2af99a763ed 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -3340,7 +3340,7 @@ 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)
reply other threads:[~2022-02-25 15:25 UTC|newest]
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