summaryrefslogtreecommitdiff
path: root/fs/debugfs
diff options
context:
space:
mode:
authorChenXiaoSong <chenxiaosong2@huawei.com>2022-09-23 18:25:54 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-09-24 15:00:48 +0200
commit19029f3f47c7f2dd796cecd001619a37034d658a (patch)
tree83150e392ae8da9374889c7ef04f978d6273fa4c /fs/debugfs
parentd70590d53a8996acf55426ba934d49eee9f091cd (diff)
debugfs: use DEFINE_SHOW_ATTRIBUTE to define debugfs_regset32_fops
Use DEFINE_SHOW_ATTRIBUTE helper macro to simplify the code. Signed-off-by: ChenXiaoSong <chenxiaosong2@huawei.com> Link: https://lore.kernel.org/r/20220923102554.2443452-1-chenxiaosong2@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/debugfs')
-rw-r--r--fs/debugfs/file.c16
1 files changed, 3 insertions, 13 deletions
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 950c63fa4d0b..ddb3fc258df9 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -1121,7 +1121,7 @@ void debugfs_print_regs32(struct seq_file *s, const struct debugfs_reg32 *regs,
}
EXPORT_SYMBOL_GPL(debugfs_print_regs32);
-static int debugfs_show_regset32(struct seq_file *s, void *data)
+static int debugfs_regset32_show(struct seq_file *s, void *data)
{
struct debugfs_regset32 *regset = s->private;
@@ -1136,17 +1136,7 @@ static int debugfs_show_regset32(struct seq_file *s, void *data)
return 0;
}
-static int debugfs_open_regset32(struct inode *inode, struct file *file)
-{
- return single_open(file, debugfs_show_regset32, inode->i_private);
-}
-
-static const struct file_operations fops_regset32 = {
- .open = debugfs_open_regset32,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(debugfs_regset32);
/**
* debugfs_create_regset32 - create a debugfs file that returns register values
@@ -1167,7 +1157,7 @@ void debugfs_create_regset32(const char *name, umode_t mode,
struct dentry *parent,
struct debugfs_regset32 *regset)
{
- debugfs_create_file(name, mode, parent, regset, &fops_regset32);
+ debugfs_create_file(name, mode, parent, regset, &debugfs_regset32_fops);
}
EXPORT_SYMBOL_GPL(debugfs_create_regset32);