From cb0b4beb93d14429bf0c50fc1ab8e26348dca880 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 7 Jul 2009 03:56:07 +0200 Subject: cfg80211: mlme API must be able to sleep After the mac80211 mlme cleanup, we can require that the MLME functions in cfg80211 can sleep. This will simplify future work in cfg80211 a lot. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- net/wireless/mlme.c | 51 +++++++++++++++++++++++++++++++++------------------ 1 file changed, 33 insertions(+), 18 deletions(-) (limited to 'net/wireless/mlme.c') diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index 087d3377958..f7dc7524e14 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -12,7 +12,7 @@ #include "core.h" #include "nl80211.h" -void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len, gfp_t gfp) +void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; @@ -23,6 +23,8 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len, gf u16 status = le16_to_cpu(mgmt->u.auth.status_code); bool done = false; + might_sleep(); + for (i = 0; i < MAX_AUTH_BSSES; i++) { if (wdev->authtry_bsses[i] && memcmp(wdev->authtry_bsses[i]->pub.bssid, bssid, @@ -41,12 +43,12 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len, gf WARN_ON(!done); - nl80211_send_rx_auth(rdev, dev, buf, len, gfp); + nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL); cfg80211_sme_rx_auth(dev, buf, len); } EXPORT_SYMBOL(cfg80211_send_rx_auth); -void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len, gfp_t gfp) +void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len) { u16 status_code; struct wireless_dev *wdev = dev->ieee80211_ptr; @@ -57,12 +59,14 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len, g int i, ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable); bool done; + might_sleep(); + status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code); - nl80211_send_rx_assoc(rdev, dev, buf, len, gfp); + nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL); cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs, - status_code, gfp); + status_code, GFP_KERNEL); if (status_code == WLAN_STATUS_SUCCESS) { for (i = 0; wdev->current_bss && i < MAX_AUTH_BSSES; i++) { @@ -80,7 +84,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len, g } EXPORT_SYMBOL(cfg80211_send_rx_assoc); -void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len, gfp_t gfp) +void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; @@ -90,7 +94,9 @@ void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len, gfp int i; bool done = false; - nl80211_send_deauth(rdev, dev, buf, len, gfp); + might_sleep(); + + nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL); if (wdev->current_bss && memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { @@ -132,16 +138,17 @@ void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len, gfp reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); from_ap = memcmp(mgmt->da, dev->dev_addr, ETH_ALEN) == 0; - __cfg80211_disconnected(dev, gfp, NULL, 0, + __cfg80211_disconnected(dev, GFP_KERNEL, NULL, 0, reason_code, from_ap); } else if (wdev->sme_state == CFG80211_SME_CONNECTING) { cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0, - WLAN_STATUS_UNSPECIFIED_FAILURE, gfp); + WLAN_STATUS_UNSPECIFIED_FAILURE, + GFP_KERNEL); } } EXPORT_SYMBOL(cfg80211_send_deauth); -void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len, gfp_t gfp) +void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; @@ -153,7 +160,9 @@ void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len, g bool from_ap; bool done = false; - nl80211_send_disassoc(rdev, dev, buf, len, gfp); + might_sleep(); + + nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL); if (!wdev->sme_state == CFG80211_SME_CONNECTED) return; @@ -177,12 +186,12 @@ void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len, g reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); from_ap = memcmp(mgmt->da, dev->dev_addr, ETH_ALEN) == 0; - __cfg80211_disconnected(dev, gfp, NULL, 0, + __cfg80211_disconnected(dev, GFP_KERNEL, NULL, 0, reason_code, from_ap); } EXPORT_SYMBOL(cfg80211_send_disassoc); -void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr, gfp_t gfp) +void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; @@ -190,10 +199,13 @@ void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr, gfp_t gf int i; bool done = false; - nl80211_send_auth_timeout(rdev, dev, addr, gfp); + might_sleep(); + + nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL); if (wdev->sme_state == CFG80211_SME_CONNECTING) cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, - WLAN_STATUS_UNSPECIFIED_FAILURE, gfp); + WLAN_STATUS_UNSPECIFIED_FAILURE, + GFP_KERNEL); for (i = 0; addr && i < MAX_AUTH_BSSES; i++) { if (wdev->authtry_bsses[i] && @@ -211,7 +223,7 @@ void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr, gfp_t gf } EXPORT_SYMBOL(cfg80211_send_auth_timeout); -void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr, gfp_t gfp) +void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; @@ -219,10 +231,13 @@ void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr, gfp_t g int i; bool done = false; - nl80211_send_assoc_timeout(rdev, dev, addr, gfp); + might_sleep(); + + nl80211_send_assoc_timeout(rdev, dev, addr, GFP_KERNEL); if (wdev->sme_state == CFG80211_SME_CONNECTING) cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, - WLAN_STATUS_UNSPECIFIED_FAILURE, gfp); + WLAN_STATUS_UNSPECIFIED_FAILURE, + GFP_KERNEL); for (i = 0; addr && i < MAX_AUTH_BSSES; i++) { if (wdev->auth_bsses[i] && -- cgit v1.2.3