diff options
Diffstat (limited to 'package/kernel/mac80211/patches/359-0008-brcmfmac-assure-p2pdev-is-unregistered-upon-driver-u.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/359-0008-brcmfmac-assure-p2pdev-is-unregistered-upon-driver-u.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/359-0008-brcmfmac-assure-p2pdev-is-unregistered-upon-driver-u.patch b/package/kernel/mac80211/patches/359-0008-brcmfmac-assure-p2pdev-is-unregistered-upon-driver-u.patch new file mode 100644 index 0000000000..72e8eed61b --- /dev/null +++ b/package/kernel/mac80211/patches/359-0008-brcmfmac-assure-p2pdev-is-unregistered-upon-driver-u.patch @@ -0,0 +1,63 @@ +From: Arend van Spriel <arend@broadcom.com> +Date: Thu, 11 Jun 2015 00:12:23 +0200 +Subject: [PATCH] brcmfmac: assure p2pdev is unregistered upon driver + unload + +When unloading the driver with a p2pdev interface it resulted in +a warning upon calling wiphy_unregister() and subsequently a crash +in the driver. This patch assures the p2pdev is unregistered calling +unregister_wdev() before doing the wiphy_unregister(). + +Reviewed-by: Hante Meuleman <meuleman@broadcom.com> +Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> +Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> +Signed-off-by: Arend van Spriel <arend@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + +--- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c ++++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c +@@ -6206,10 +6206,8 @@ void brcmf_cfg80211_detach(struct brcmf_ + if (!cfg) + return; + +- WARN_ON(!list_empty(&cfg->vif_list)); +- wiphy_unregister(cfg->wiphy); + brcmf_btcoex_detach(cfg); +- brcmf_p2p_detach(&cfg->p2p); ++ wiphy_unregister(cfg->wiphy); + wl_deinit_priv(cfg); + brcmf_free_wiphy(cfg->wiphy); + } +--- a/drivers/net/wireless/brcm80211/brcmfmac/core.c ++++ b/drivers/net/wireless/brcm80211/brcmfmac/core.c +@@ -1098,6 +1098,7 @@ void brcmf_detach(struct device *dev) + + /* stop firmware event handling */ + brcmf_fweh_detach(drvr); ++ brcmf_p2p_detach(&drvr->config->p2p); + + brcmf_bus_change_state(bus_if, BRCMF_BUS_DOWN); + +--- a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c ++++ b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c +@@ -16,6 +16,7 @@ + #include <linux/slab.h> + #include <linux/netdevice.h> + #include <linux/etherdevice.h> ++#include <linux/rtnetlink.h> + #include <net/cfg80211.h> + + #include <brcmu_wifi.h> +@@ -2418,8 +2419,9 @@ void brcmf_p2p_detach(struct brcmf_p2p_i + brcmf_p2p_cancel_remain_on_channel(vif->ifp); + brcmf_p2p_deinit_discovery(p2p); + /* remove discovery interface */ +- brcmf_free_vif(vif); +- p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL; ++ rtnl_lock(); ++ brcmf_p2p_delete_p2pdev(p2p, vif); ++ rtnl_unlock(); + } + /* just set it all to zero */ + memset(p2p, 0, sizeof(*p2p)); |