[PATCH] ide: Change to use DEFINE_SHOW_ATTRIBUTE macro

From: Yangtao Li
Date: Fri Nov 30 2018 - 21:21:21 EST


Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
---
drivers/ide/ide-proc.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index 45c997430332..4c8c7a620d08 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -614,18 +614,7 @@ static int ide_drivers_show(struct seq_file *s, void *p)
return 0;
}

-static int ide_drivers_open(struct inode *inode, struct file *file)
-{
- return single_open(file, &ide_drivers_show, NULL);
-}
-
-static const struct file_operations ide_drivers_operations = {
- .owner = THIS_MODULE,
- .open = ide_drivers_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(ide_drivers);

void proc_ide_create(void)
{
@@ -634,7 +623,7 @@ void proc_ide_create(void)
if (!proc_ide_root)
return;

- proc_create("drivers", 0, proc_ide_root, &ide_drivers_operations);
+ proc_create("drivers", 0, proc_ide_root, &ide_drivers_fops);
}

void proc_ide_destroy(void)
--
2.17.0