100-brcmfmac-fix-roamoff-1-modparam.patch 2.7 KB

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  1. From 22d319f2665dd3458d59c934fa0c8cf1b1d7227f Mon Sep 17 00:00:00 2001
  2. From: Stijn Tintel <[email protected]>
  3. Date: Sat, 10 Nov 2018 13:25:20 +0200
  4. Subject: [PATCH wireless-drivers] brcmfmac: fix roamoff=1 modparam
  5. When the update_connect_param callback is set, nl80211 expects the flag
  6. WIPHY_FLAG_SUPPORTS_FW_ROAM to be set as well. However, this flag is
  7. only set when modparam roamoff=0, while the callback is set
  8. unconditionally. Since commit 7f9a3e150ec7 this causes a warning in
  9. wiphy_register, which breaks brcmfmac.
  10. Disable the update_connect_param callback when roamoff=0 to fix this.
  11. Fixes: 7f9a3e150ec7 ("nl80211: Update ERP info using NL80211_CMD_UPDATE_CONNECT_PARAMS")
  12. Cc: Stable <[email protected]> # 4.19+
  13. Signed-off-by: Jonas Gorski <[email protected]>
  14. Signed-off-by: Stijn Tintel <[email protected]>
  15. ---
  16. .../wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 11 +++++++++--
  17. .../wireless/broadcom/brcm80211/brcmfmac/cfg80211.h | 2 +-
  18. .../net/wireless/broadcom/brcm80211/brcmfmac/core.c | 2 +-
  19. 3 files changed, 11 insertions(+), 4 deletions(-)
  20. --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
  21. +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
  22. @@ -5188,10 +5188,17 @@ static struct cfg80211_ops brcmf_cfg8021
  23. .del_pmk = brcmf_cfg80211_del_pmk,
  24. };
  25. -struct cfg80211_ops *brcmf_cfg80211_get_ops(void)
  26. +struct cfg80211_ops *brcmf_cfg80211_get_ops(struct brcmf_mp_device *settings)
  27. {
  28. - return kmemdup(&brcmf_cfg80211_ops, sizeof(brcmf_cfg80211_ops),
  29. + struct cfg80211_ops *ops;
  30. +
  31. + ops = kmemdup(&brcmf_cfg80211_ops, sizeof(brcmf_cfg80211_ops),
  32. GFP_KERNEL);
  33. +
  34. + if (ops && settings->roamoff)
  35. + ops->update_connect_params = NULL;
  36. +
  37. + return ops;
  38. }
  39. struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
  40. --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
  41. +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
  42. @@ -404,7 +404,7 @@ struct brcmf_cfg80211_info *brcmf_cfg802
  43. void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg);
  44. s32 brcmf_cfg80211_up(struct net_device *ndev);
  45. s32 brcmf_cfg80211_down(struct net_device *ndev);
  46. -struct cfg80211_ops *brcmf_cfg80211_get_ops(void);
  47. +struct cfg80211_ops *brcmf_cfg80211_get_ops(struct brcmf_mp_device *settings);
  48. enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp);
  49. struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
  50. --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
  51. +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
  52. @@ -1151,7 +1151,7 @@ int brcmf_attach(struct device *dev, str
  53. brcmf_dbg(TRACE, "Enter\n");
  54. - ops = brcmf_cfg80211_get_ops();
  55. + ops = brcmf_cfg80211_get_ops(settings);
  56. if (!ops)
  57. return -ENOMEM;