[PATCH 29/40] hostap: switch to proc_create_{seq,single}_data

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And use proc private data directly instead of doing a detour
through seq->private.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 .../net/wireless/intersil/hostap/hostap_ap.c  |  70 ++-------
 .../net/wireless/intersil/hostap/hostap_hw.c  |  17 +--
 .../wireless/intersil/hostap/hostap_proc.c    | 143 +++---------------
 3 files changed, 39 insertions(+), 191 deletions(-)

diff --git a/drivers/net/wireless/intersil/hostap/hostap_ap.c b/drivers/net/wireless/intersil/hostap/hostap_ap.c
index 4f76f81dd3af..d1884b8913e7 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_ap.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_ap.c
@@ -69,7 +69,7 @@ static void prism2_send_mgmt(struct net_device *dev,
 #ifndef PRISM2_NO_PROCFS_DEBUG
 static int ap_debug_proc_show(struct seq_file *m, void *v)
 {
-	struct ap_data *ap = m->private;
+	struct ap_data *ap = PDE_DATA(file_inode(m->file));
 
 	seq_printf(m, "BridgedUnicastFrames=%u\n", ap->bridged_unicast);
 	seq_printf(m, "BridgedMulticastFrames=%u\n", ap->bridged_multicast);
@@ -81,18 +81,6 @@ static int ap_debug_proc_show(struct seq_file *m, void *v)
 	seq_printf(m, "tx_drop_nonassoc=%u\n", ap->tx_drop_nonassoc);
 	return 0;
 }
-
-static int ap_debug_proc_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, ap_debug_proc_show, PDE_DATA(inode));
-}
-
-static const struct file_operations ap_debug_proc_fops = {
-	.open		= ap_debug_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
 #endif /* PRISM2_NO_PROCFS_DEBUG */
 
 
@@ -333,7 +321,7 @@ void hostap_deauth_all_stas(struct net_device *dev, struct ap_data *ap,
 
 static int ap_control_proc_show(struct seq_file *m, void *v)
 {
-	struct ap_data *ap = m->private;
+	struct ap_data *ap = PDE_DATA(file_inode(m->file));
 	char *policy_txt;
 	struct mac_entry *entry;
 
@@ -365,20 +353,20 @@ static int ap_control_proc_show(struct seq_file *m, void *v)
 
 static void *ap_control_proc_start(struct seq_file *m, loff_t *_pos)
 {
-	struct ap_data *ap = m->private;
+	struct ap_data *ap = PDE_DATA(file_inode(m->file));
 	spin_lock_bh(&ap->mac_restrictions.lock);
 	return seq_list_start_head(&ap->mac_restrictions.mac_list, *_pos);
 }
 
 static void *ap_control_proc_next(struct seq_file *m, void *v, loff_t *_pos)
 {
-	struct ap_data *ap = m->private;
+	struct ap_data *ap = PDE_DATA(file_inode(m->file));
 	return seq_list_next(v, &ap->mac_restrictions.mac_list, _pos);
 }
 
 static void ap_control_proc_stop(struct seq_file *m, void *v)
 {
-	struct ap_data *ap = m->private;
+	struct ap_data *ap = PDE_DATA(file_inode(m->file));
 	spin_unlock_bh(&ap->mac_restrictions.lock);
 }
 
@@ -389,24 +377,6 @@ static const struct seq_operations ap_control_proc_seqops = {
 	.show	= ap_control_proc_show,
 };
 
-static int ap_control_proc_open(struct inode *inode, struct file *file)
-{
-	int ret = seq_open(file, &ap_control_proc_seqops);
-	if (ret == 0) {
-		struct seq_file *m = file->private_data;
-		m->private = PDE_DATA(inode);
-	}
-	return ret;
-}
-
-static const struct file_operations ap_control_proc_fops = {
-	.open		= ap_control_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
-
 int ap_control_add_mac(struct mac_restrictions *mac_restrictions, u8 *mac)
 {
 	struct mac_entry *entry;
@@ -585,20 +555,20 @@ static int prism2_ap_proc_show(struct seq_file *m, void *v)
 
 static void *prism2_ap_proc_start(struct seq_file *m, loff_t *_pos)
 {
-	struct ap_data *ap = m->private;
+	struct ap_data *ap = PDE_DATA(file_inode(m->file));
 	spin_lock_bh(&ap->sta_table_lock);
 	return seq_list_start_head(&ap->sta_list, *_pos);
 }
 
 static void *prism2_ap_proc_next(struct seq_file *m, void *v, loff_t *_pos)
 {
-	struct ap_data *ap = m->private;
+	struct ap_data *ap = PDE_DATA(file_inode(m->file));
 	return seq_list_next(v, &ap->sta_list, _pos);
 }
 
 static void prism2_ap_proc_stop(struct seq_file *m, void *v)
 {
-	struct ap_data *ap = m->private;
+	struct ap_data *ap = PDE_DATA(file_inode(m->file));
 	spin_unlock_bh(&ap->sta_table_lock);
 }
 
@@ -608,23 +578,6 @@ static const struct seq_operations prism2_ap_proc_seqops = {
 	.stop	= prism2_ap_proc_stop,
 	.show	= prism2_ap_proc_show,
 };
-
-static int prism2_ap_proc_open(struct inode *inode, struct file *file)
-{
-	int ret = seq_open(file, &prism2_ap_proc_seqops);
-	if (ret == 0) {
-		struct seq_file *m = file->private_data;
-		m->private = PDE_DATA(inode);
-	}
-	return ret;
-}
-
-static const struct file_operations prism2_ap_proc_fops = {
-	.open		= prism2_ap_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
 
 
@@ -896,12 +849,13 @@ void hostap_init_ap_proc(local_info_t *local)
 		return;
 
 #ifndef PRISM2_NO_PROCFS_DEBUG
-	proc_create_data("ap_debug", 0, ap->proc, &ap_debug_proc_fops, ap);
+	proc_create_single_data("ap_debug", 0, ap->proc, ap_debug_proc_show, ap);
 #endif /* PRISM2_NO_PROCFS_DEBUG */
 
 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
-	proc_create_data("ap_control", 0, ap->proc, &ap_control_proc_fops, ap);
-	proc_create_data("ap", 0, ap->proc, &prism2_ap_proc_fops, ap);
+	proc_create_seq_data("ap_control", 0, ap->proc, &ap_control_proc_seqops,
+			ap);
+	proc_create_seq_data("ap", 0, ap->proc, &prism2_ap_proc_seqops, ap);
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
 
 }
diff --git a/drivers/net/wireless/intersil/hostap/hostap_hw.c b/drivers/net/wireless/intersil/hostap/hostap_hw.c
index 5c4a17a18968..2720aa39f530 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_hw.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_hw.c
@@ -2951,19 +2951,6 @@ static int prism2_registers_proc_show(struct seq_file *m, void *v)
 
 	return 0;
 }
-
-static int prism2_registers_proc_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, prism2_registers_proc_show, PDE_DATA(inode));
-}
-
-static const struct file_operations prism2_registers_proc_fops = {
-	.open		= prism2_registers_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
 #endif /* PRISM2_NO_PROCFS_DEBUG */
 
 
@@ -3279,8 +3266,8 @@ static int hostap_hw_ready(struct net_device *dev)
 		}
 		hostap_init_proc(local);
 #ifndef PRISM2_NO_PROCFS_DEBUG
-		proc_create_data("registers", 0, local->proc,
-				 &prism2_registers_proc_fops, local);
+		proc_create_single_data("registers", 0, local->proc,
+				 prism2_registers_proc_show, local);
 #endif /* PRISM2_NO_PROCFS_DEBUG */
 		hostap_init_ap_proc(local);
 		return 0;
diff --git a/drivers/net/wireless/intersil/hostap/hostap_proc.c b/drivers/net/wireless/intersil/hostap/hostap_proc.c
index d234231bf532..5b33ccab9188 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_proc.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_proc.c
@@ -43,18 +43,6 @@ static int prism2_debug_proc_show(struct seq_file *m, void *v)
 
 	return 0;
 }
-
-static int prism2_debug_proc_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, prism2_debug_proc_show, PDE_DATA(inode));
-}
-
-static const struct file_operations prism2_debug_proc_fops = {
-	.open		= prism2_debug_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
 #endif /* PRISM2_NO_PROCFS_DEBUG */
 
 
@@ -95,19 +83,6 @@ static int prism2_stats_proc_show(struct seq_file *m, void *v)
 	return 0;
 }
 
-static int prism2_stats_proc_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, prism2_stats_proc_show, PDE_DATA(inode));
-}
-
-static const struct file_operations prism2_stats_proc_fops = {
-	.open		= prism2_stats_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-
 static int prism2_wds_proc_show(struct seq_file *m, void *v)
 {
 	struct list_head *ptr = v;
@@ -122,20 +97,20 @@ static int prism2_wds_proc_show(struct seq_file *m, void *v)
 
 static void *prism2_wds_proc_start(struct seq_file *m, loff_t *_pos)
 {
-	local_info_t *local = m->private;
+	local_info_t *local = PDE_DATA(file_inode(m->file));
 	read_lock_bh(&local->iface_lock);
 	return seq_list_start(&local->hostap_interfaces, *_pos);
 }
 
 static void *prism2_wds_proc_next(struct seq_file *m, void *v, loff_t *_pos)
 {
-	local_info_t *local = m->private;
+	local_info_t *local = PDE_DATA(file_inode(m->file));
 	return seq_list_next(v, &local->hostap_interfaces, _pos);
 }
 
 static void prism2_wds_proc_stop(struct seq_file *m, void *v)
 {
-	local_info_t *local = m->private;
+	local_info_t *local = PDE_DATA(file_inode(m->file));
 	read_unlock_bh(&local->iface_lock);
 }
 
@@ -146,27 +121,9 @@ static const struct seq_operations prism2_wds_proc_seqops = {
 	.show	= prism2_wds_proc_show,
 };
 
-static int prism2_wds_proc_open(struct inode *inode, struct file *file)
-{
-	int ret = seq_open(file, &prism2_wds_proc_seqops);
-	if (ret == 0) {
-		struct seq_file *m = file->private_data;
-		m->private = PDE_DATA(inode);
-	}
-	return ret;
-}
-
-static const struct file_operations prism2_wds_proc_fops = {
-	.open		= prism2_wds_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
-
 static int prism2_bss_list_proc_show(struct seq_file *m, void *v)
 {
-	local_info_t *local = m->private;
+	local_info_t *local = PDE_DATA(file_inode(m->file));
 	struct list_head *ptr = v;
 	struct hostap_bss_info *bss;
 
@@ -193,20 +150,20 @@ static int prism2_bss_list_proc_show(struct seq_file *m, void *v)
 
 static void *prism2_bss_list_proc_start(struct seq_file *m, loff_t *_pos)
 {
-	local_info_t *local = m->private;
+	local_info_t *local = PDE_DATA(file_inode(m->file));
 	spin_lock_bh(&local->lock);
 	return seq_list_start_head(&local->bss_list, *_pos);
 }
 
 static void *prism2_bss_list_proc_next(struct seq_file *m, void *v, loff_t *_pos)
 {
-	local_info_t *local = m->private;
+	local_info_t *local = PDE_DATA(file_inode(m->file));
 	return seq_list_next(v, &local->bss_list, _pos);
 }
 
 static void prism2_bss_list_proc_stop(struct seq_file *m, void *v)
 {
-	local_info_t *local = m->private;
+	local_info_t *local = PDE_DATA(file_inode(m->file));
 	spin_unlock_bh(&local->lock);
 }
 
@@ -217,24 +174,6 @@ static const struct seq_operations prism2_bss_list_proc_seqops = {
 	.show	= prism2_bss_list_proc_show,
 };
 
-static int prism2_bss_list_proc_open(struct inode *inode, struct file *file)
-{
-	int ret = seq_open(file, &prism2_bss_list_proc_seqops);
-	if (ret == 0) {
-		struct seq_file *m = file->private_data;
-		m->private = PDE_DATA(inode);
-	}
-	return ret;
-}
-
-static const struct file_operations prism2_bss_list_proc_fops = {
-	.open		= prism2_bss_list_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
-
 static int prism2_crypt_proc_show(struct seq_file *m, void *v)
 {
 	local_info_t *local = m->private;
@@ -252,19 +191,6 @@ static int prism2_crypt_proc_show(struct seq_file *m, void *v)
 	return 0;
 }
 
-static int prism2_crypt_proc_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, prism2_crypt_proc_show, PDE_DATA(inode));
-}
-
-static const struct file_operations prism2_crypt_proc_fops = {
-	.open		= prism2_crypt_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-
 static ssize_t prism2_pda_proc_read(struct file *file, char __user *buf,
 				    size_t count, loff_t *_pos)
 {
@@ -342,7 +268,7 @@ static int prism2_io_debug_proc_read(char *page, char **start, off_t off,
 #ifndef PRISM2_NO_STATION_MODES
 static int prism2_scan_results_proc_show(struct seq_file *m, void *v)
 {
-	local_info_t *local = m->private;
+	local_info_t *local = PDE_DATA(file_inode(m->file));
 	unsigned long entry;
 	int i, len;
 	struct hfa384x_hostscan_result *scanres;
@@ -392,7 +318,7 @@ static int prism2_scan_results_proc_show(struct seq_file *m, void *v)
 
 static void *prism2_scan_results_proc_start(struct seq_file *m, loff_t *_pos)
 {
-	local_info_t *local = m->private;
+	local_info_t *local = PDE_DATA(file_inode(m->file));
 	spin_lock_bh(&local->lock);
 
 	/* We have a header (pos 0) + N results to show (pos 1...N) */
@@ -403,7 +329,7 @@ static void *prism2_scan_results_proc_start(struct seq_file *m, loff_t *_pos)
 
 static void *prism2_scan_results_proc_next(struct seq_file *m, void *v, loff_t *_pos)
 {
-	local_info_t *local = m->private;
+	local_info_t *local = PDE_DATA(file_inode(m->file));
 
 	++*_pos;
 	if (*_pos > local->last_scan_results_count)
@@ -413,7 +339,7 @@ static void *prism2_scan_results_proc_next(struct seq_file *m, void *v, loff_t *
 
 static void prism2_scan_results_proc_stop(struct seq_file *m, void *v)
 {
-	local_info_t *local = m->private;
+	local_info_t *local = PDE_DATA(file_inode(m->file));
 	spin_unlock_bh(&local->lock);
 }
 
@@ -423,25 +349,6 @@ static const struct seq_operations prism2_scan_results_proc_seqops = {
 	.stop	= prism2_scan_results_proc_stop,
 	.show	= prism2_scan_results_proc_show,
 };
-
-static int prism2_scan_results_proc_open(struct inode *inode, struct file *file)
-{
-	int ret = seq_open(file, &prism2_scan_results_proc_seqops);
-	if (ret == 0) {
-		struct seq_file *m = file->private_data;
-		m->private = PDE_DATA(inode);
-	}
-	return ret;
-}
-
-static const struct file_operations prism2_scan_results_proc_fops = {
-	.open		= prism2_scan_results_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
-
 #endif /* PRISM2_NO_STATION_MODES */
 
 
@@ -463,29 +370,29 @@ void hostap_init_proc(local_info_t *local)
 	}
 
 #ifndef PRISM2_NO_PROCFS_DEBUG
-	proc_create_data("debug", 0, local->proc,
-			 &prism2_debug_proc_fops, local);
+	proc_create_single_data("debug", 0, local->proc,
+			prism2_debug_proc_show, local);
 #endif /* PRISM2_NO_PROCFS_DEBUG */
-	proc_create_data("stats", 0, local->proc,
-			 &prism2_stats_proc_fops, local);
-	proc_create_data("wds", 0, local->proc,
-			 &prism2_wds_proc_fops, local);
+	proc_create_single_data("stats", 0, local->proc, prism2_stats_proc_show,
+			local);
+	proc_create_seq_data("wds", 0, local->proc,
+			&prism2_wds_proc_seqops, local);
 	proc_create_data("pda", 0, local->proc,
 			 &prism2_pda_proc_fops, local);
 	proc_create_data("aux_dump", 0, local->proc,
 			 local->func->read_aux_fops ?: &prism2_aux_dump_proc_fops,
 			 local);
-	proc_create_data("bss_list", 0, local->proc,
-			 &prism2_bss_list_proc_fops, local);
-	proc_create_data("crypt", 0, local->proc,
-			 &prism2_crypt_proc_fops, local);
+	proc_create_seq_data("bss_list", 0, local->proc,
+			&prism2_bss_list_proc_seqops, local);
+	proc_create_single_data("crypt", 0, local->proc, prism2_crypt_proc_show,
+		local);
 #ifdef PRISM2_IO_DEBUG
-	proc_create_data("io_debug", 0, local->proc,
-			 &prism2_io_debug_proc_fops, local);
+	proc_create_single_data("io_debug", 0, local->proc,
+			prism2_debug_proc_show, local);
 #endif /* PRISM2_IO_DEBUG */
 #ifndef PRISM2_NO_STATION_MODES
-	proc_create_data("scan_results", 0, local->proc,
-			 &prism2_scan_results_proc_fops, local);
+	proc_create_seq_data("scan_results", 0, local->proc,
+			&prism2_scan_results_proc_seqops, local);
 #endif /* PRISM2_NO_STATION_MODES */
 }
 
-- 
2.17.0




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