diff options
| author |   Martyna Szapar <martyna.szapar@intel.com> | 2020-08-07 13:55:17 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-11 15:32:36 +0200 |
| commit | 330aa3b43ccf514ad2e99421fc8d3b38882b45cf (patch) | |
| tree | 6def91161cad5d7aef9a19c1aa721197052b5596 | |
| parent | 71d781619fc57ef1000cec352343bfea1a559e0e (diff) | |
| download | linux-yocto-330aa3b43ccf514ad2e99421fc8d3b38882b45cf.tar.gz linux-yocto-330aa3b43ccf514ad2e99421fc8d3b38882b45cf.tar.bz2 linux-yocto-330aa3b43ccf514ad2e99421fc8d3b38882b45cf.zip | |
i40e: Memory leak in i40e_config_iwarp_qvlist
[ Upstream commit 0b63644602cfcbac849f7ea49272a39e90fa95eb ]
Added freeing the old allocation of vf->qvlist_info in function
i40e_config_iwarp_qvlist before overwriting it with
the new allocation.
Fixes: e3219ce6a7754 ("i40e: Add support for client interface for IWARP driver")
Signed-off-by: Martyna Szapar <martyna.szapar@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index c19da0ff888e..bc4eda52372a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -441,6 +441,7 @@ static int i40e_config_iwarp_qvlist(struct i40e_vf *vf, u32 v_idx, i, reg_idx, reg; u32 next_q_idx, next_q_type; u32 msix_vf, size; + int ret = 0; msix_vf = pf->hw.func_caps.num_msix_vectors_vf; @@ -449,16 +450,19 @@ static int i40e_config_iwarp_qvlist(struct i40e_vf *vf, "Incorrect number of iwarp vectors %u. Maximum %u allowed.\n", qvlist_info->num_vectors, msix_vf); - goto err; + ret = -EINVAL; + goto err_out; } size = sizeof(struct virtchnl_iwarp_qvlist_info) + (sizeof(struct virtchnl_iwarp_qv_info) * (qvlist_info->num_vectors - 1)); + kfree(vf->qvlist_info); vf->qvlist_info = kzalloc(size, GFP_KERNEL); - if (!vf->qvlist_info) - return -ENOMEM; - + if (!vf->qvlist_info) { + ret = -ENOMEM; + goto err_out; + } vf->qvlist_info->num_vectors = qvlist_info->num_vectors; msix_vf = pf->hw.func_caps.num_msix_vectors_vf; @@ -469,8 +473,10 @@ static int i40e_config_iwarp_qvlist(struct i40e_vf *vf, v_idx = qv_info->v_idx; /* Validate vector id belongs to this vf */ - if (!i40e_vc_isvalid_vector_id(vf, v_idx)) - goto err; + if (!i40e_vc_isvalid_vector_id(vf, v_idx)) { + ret = -EINVAL; + goto err_free; + } vf->qvlist_info->qv_info[i] = *qv_info; @@ -512,10 +518,11 @@ static int i40e_config_iwarp_qvlist(struct i40e_vf *vf, } return 0; -err: +err_free: kfree(vf->qvlist_info); vf->qvlist_info = NULL; - return -EINVAL; +err_out: + return ret; } /** |