dma-buf: Change to use DEFINE_SHOW_ATTRIBUTE macro

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20181130161101.3413-1-tiny.windzz@gmail.com

diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 02f7f9a..7c85802 100644 (file)
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -1093,17 +1093,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
        return 0;
 }
 
-static int dma_buf_debug_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, dma_buf_debug_show, NULL);
-}
-
-static const struct file_operations dma_buf_debug_fops = {
-       .open           = dma_buf_debug_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(dma_buf_debug);
 
 static struct dentry *dma_buf_debugfs_dir;
 

diff --git a/drivers/dma-buf/sync_debug.c b/drivers/dma-buf/sync_debug.c
index c4c8ecb..c0abf37 100644 (file)
--- a/drivers/dma-buf/sync_debug.c
+++ b/drivers/dma-buf/sync_debug.c
@@ -147,7 +147,7 @@ static void sync_print_sync_file(struct seq_file *s,
        }
 }
 
-static int sync_debugfs_show(struct seq_file *s, void *unused)
+static int sync_info_debugfs_show(struct seq_file *s, void *unused)
 {
        struct list_head *pos;
 
@@ -178,17 +178,7 @@ static int sync_debugfs_show(struct seq_file *s, void *unused)
        return 0;
 }
 
-static int sync_info_debugfs_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, sync_debugfs_show, inode->i_private);
-}
-
-static const struct file_operations sync_info_debugfs_fops = {
-       .open           = sync_info_debugfs_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(sync_info_debugfs);
 
 static __init int sync_debugfs_init(void)
 {
@@ -218,7 +208,7 @@ void sync_dump(void)
        };
        int i;
 
-       sync_debugfs_show(&s, NULL);
+       sync_info_debugfs_show(&s, NULL);
 
        for (i = 0; i < s.count; i += DUMP_CHUNK) {
                if ((s.count - i) > DUMP_CHUNK) {