hostap: switch to proc_create_{seq,single}_data

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

Signed-off-by: Christoph Hellwig <hch@lst.de>

1 files changed, 25 insertions, 118 deletions

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 */
 }