From 234e340582901211f40d8c732afc49f0630ecf05 Mon Sep 17 00:00:00 2001 From: Stephen Boyd Date: Thu, 5 Apr 2012 14:25:11 -0700 Subject: simple_open: automatically convert to simple_open() Many users of debugfs copy the implementation of default_open() when they want to support a custom read/write function op. This leads to a proliferation of the default_open() implementation across the entire tree. Now that the common implementation has been consolidated into libfs we can replace all the users of this function with simple_open(). This replacement was done with the following semantic patch: @ open @ identifier open_f != simple_open; identifier i, f; @@ -int open_f(struct inode *i, struct file *f) -{ ( -if (i->i_private) -f->private_data = i->i_private; | -f->private_data = i->i_private; ) -return 0; -} @ has_open depends on open @ identifier fops; identifier open.open_f; @@ struct file_operations fops = { ... -.open = open_f, +.open = simple_open, ... }; [akpm@linux-foundation.org: checkpatch fixes] Signed-off-by: Stephen Boyd Cc: Greg Kroah-Hartman Cc: Al Viro Cc: Julia Lawall Acked-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- net/mac80211/debugfs.c | 12 +++--------- net/mac80211/debugfs.h | 1 - net/mac80211/debugfs_key.c | 4 ++-- net/mac80211/debugfs_netdev.c | 2 +- net/mac80211/debugfs_sta.c | 4 ++-- net/mac80211/rate.c | 2 +- net/wireless/debugfs.c | 10 ++-------- 7 files changed, 11 insertions(+), 24 deletions(-) (limited to 'net') diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index cc5b7a6..778e591 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -15,12 +15,6 @@ #include "rate.h" #include "debugfs.h" -int mac80211_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define DEBUGFS_FORMAT_BUFFER_SIZE 100 int mac80211_format_buffer(char __user *userbuf, size_t count, @@ -50,7 +44,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ #define DEBUGFS_READONLY_FILE_OPS(name) \ static const struct file_operations name## _ops = { \ .read = name## _read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -93,7 +87,7 @@ static ssize_t reset_write(struct file *file, const char __user *user_buf, static const struct file_operations reset_ops = { .write = reset_write, - .open = mac80211_open_file_generic, + .open = simple_open, .llseek = noop_llseek, }; @@ -254,7 +248,7 @@ static ssize_t stats_ ##name## _read(struct file *file, \ \ static const struct file_operations stats_ ##name## _ops = { \ .read = stats_ ##name## _read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; diff --git a/net/mac80211/debugfs.h b/net/mac80211/debugfs.h index 7c87529..9be4e6d 100644 --- a/net/mac80211/debugfs.h +++ b/net/mac80211/debugfs.h @@ -3,7 +3,6 @@ #ifdef CONFIG_MAC80211_DEBUGFS extern void debugfs_hw_add(struct ieee80211_local *local); -extern int mac80211_open_file_generic(struct inode *inode, struct file *file); extern int mac80211_format_buffer(char __user *userbuf, size_t count, loff_t *ppos, char *fmt, ...); #else diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c index 59edcd9..7932767 100644 --- a/net/mac80211/debugfs_key.c +++ b/net/mac80211/debugfs_key.c @@ -30,7 +30,7 @@ static ssize_t key_##name##_read(struct file *file, \ #define KEY_OPS(name) \ static const struct file_operations key_ ##name## _ops = { \ .read = key_##name##_read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } @@ -45,7 +45,7 @@ static const struct file_operations key_ ##name## _ops = { \ #define KEY_CONF_OPS(name) \ static const struct file_operations key_ ##name## _ops = { \ .read = key_conf_##name##_read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index a32eeda..30f99c3 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -135,7 +135,7 @@ static ssize_t ieee80211_if_read_##name(struct file *file, \ static const struct file_operations name##_ops = { \ .read = ieee80211_if_read_##name, \ .write = (_write), \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 6d45804..832b2da 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -33,7 +33,7 @@ static ssize_t sta_ ##name## _read(struct file *file, \ #define STA_OPS(name) \ static const struct file_operations sta_ ##name## _ops = { \ .read = sta_##name##_read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } @@ -41,7 +41,7 @@ static const struct file_operations sta_ ##name## _ops = { \ static const struct file_operations sta_ ##name## _ops = { \ .read = sta_##name##_read, \ .write = sta_##name##_write, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index b4f7600..3313c11 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -145,7 +145,7 @@ static ssize_t rcname_read(struct file *file, char __user *userbuf, static const struct file_operations rcname_ops = { .read = rcname_read, - .open = mac80211_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; #endif diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c index 39765bc..920cabe 100644 --- a/net/wireless/debugfs.c +++ b/net/wireless/debugfs.c @@ -13,12 +13,6 @@ #include "core.h" #include "debugfs.h" -static int cfg80211_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \ static ssize_t name## _read(struct file *file, char __user *userbuf, \ size_t count, loff_t *ppos) \ @@ -33,7 +27,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ \ static const struct file_operations name## _ops = { \ .read = name## _read, \ - .open = cfg80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -102,7 +96,7 @@ static ssize_t ht40allow_map_read(struct file *file, static const struct file_operations ht40allow_map_ops = { .read = ht40allow_map_read, - .open = cfg80211_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; 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