i40iw: Fix memory leak in CQP destroy when in reset
On a device close, the control QP (CQP) is destroyed by calling cqp_destroy which destroys the CQP and frees its SD buffer memory. However, if the reset flag is true, cqp_destroy is never called and leads to a memory leak on SD buffer memory. Fix this by always calling cqp_destroy, on device close, regardless of reset. The exception to this when CQP create fails. In this case, the SD buffer memory is already freed on an error check and there is no need to call cqp_destroy. Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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@ -237,14 +237,11 @@ static irqreturn_t i40iw_irq_handler(int irq, void *data)
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*/
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static void i40iw_destroy_cqp(struct i40iw_device *iwdev, bool free_hwcqp)
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{
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enum i40iw_status_code status = 0;
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struct i40iw_sc_dev *dev = &iwdev->sc_dev;
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struct i40iw_cqp *cqp = &iwdev->cqp;
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if (free_hwcqp && dev->cqp_ops->cqp_destroy)
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status = dev->cqp_ops->cqp_destroy(dev->cqp);
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if (status)
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i40iw_pr_err("destroy cqp failed");
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if (free_hwcqp)
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dev->cqp_ops->cqp_destroy(dev->cqp);
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i40iw_free_dma_mem(dev->hw, &cqp->sq);
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kfree(cqp->scratch_array);
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@ -1475,7 +1472,7 @@ static void i40iw_deinit_device(struct i40iw_device *iwdev, bool reset)
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i40iw_del_hmc_objects(dev, dev->hmc_info, true, reset);
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/* fallthrough */
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case CQP_CREATED:
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i40iw_destroy_cqp(iwdev, !reset);
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i40iw_destroy_cqp(iwdev, true);
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/* fallthrough */
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case INITIAL_STATE:
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i40iw_cleanup_cm_core(&iwdev->cm_core);
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