| Message ID | 1273787399-9280-5-git-send-email-reinette.chatre@intel.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h index 3ff6b9d..6984639 100644 --- a/drivers/net/wireless/iwlwifi/iwl-helpers.h +++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h @@ -92,6 +92,11 @@ static inline void iwl_free_fw_desc(struct pci_dev *pci_dev, static inline int iwl_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc) { + if (!desc->len) { + desc->v_addr = NULL; + return -EINVAL; + } + desc->v_addr = dma_alloc_coherent(&pci_dev->dev, desc->len, &desc->p_addr, GFP_KERNEL); return (desc->v_addr != NULL) ? 0 : -ENOMEM;