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qlcnic: fix memory leak issues in qlcnic_sriov_common.c

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commit d2b9d97e89c79c95f8b517e4fa43fd100f936acc upstream.

Add qlcnic_sriov_free_vlans() in qlcnic_sriov_alloc_vlans() if
any sriov_vlans fails to be allocated.
Add qlcnic_sriov_free_vlans() to free the memory allocated by
qlcnic_sriov_alloc_vlans() if "sriov->allowed_vlans" fails to
be allocated.

Fixes: 91b7282b61 ("qlcnic: Support VLAN id config.")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Link: https://patch.msgid.link/20250307094952.14874-1-haoxiang_li2024@163.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Haoxiang Li 2025-03-07 17:49:52 +08:00 committed by Greg Kroah-Hartman
parent 7c461a5fb8
commit d8bc07d16b
1 changed files with 6 additions and 2 deletions
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8
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
View File

@ -454,8 +454,10 @@ static int qlcnic_sriov_set_guest_vlan_mode(struct qlcnic_adapter *adapter,
num_vlans = sriov->num_allowed_vlans;
sriov->allowed_vlans = kcalloc(num_vlans, sizeof(u16), GFP_KERNEL);
if (!sriov->allowed_vlans)
if (!sriov->allowed_vlans) {
qlcnic_sriov_free_vlans(adapter);
return -ENOMEM;
}
vlans = (u16 *)&cmd->rsp.arg[3];
for (i = 0; i < num_vlans; i++)
@ -2167,8 +2169,10 @@ int qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter)
vf = &sriov->vf_info[i];
vf->sriov_vlans = kcalloc(sriov->num_allowed_vlans,
sizeof(*vf->sriov_vlans), GFP_KERNEL);
if (!vf->sriov_vlans)
if (!vf->sriov_vlans) {
qlcnic_sriov_free_vlans(adapter);
return -ENOMEM;
}
}
return 0;