seq_files use the private_data field of a file struct for storing a seq_file structure,
data should be stored in seq_file's own private field (e.g. file->private_data->private)
Otherwise seq_release() will free the private data when the file is closed.
Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxx>
---
drivers/usb/musb/musb_debugfs.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c
index c0151da..8ddd8fb 100644
--- a/drivers/usb/musb/musb_debugfs.c
+++ b/drivers/usb/musb/musb_debugfs.c
@@ -196,15 +196,14 @@ static const struct file_operations musb_regdump_fops = {
static int musb_test_mode_open(struct inode *inode, struct file *file)
{
- file->private_data = inode->i_private;
-
return single_open(file, musb_test_mode_show, inode->i_private);
}
static ssize_t musb_test_mode_write(struct file *file,
const char __user *ubuf, size_t count, loff_t *ppos)
{
- struct musb *musb = file->private_data;
+ struct seq_file *s = file->private_data;
+ struct musb *musb = s->private;
u8 test = 0;
char buf[18];
--
1.5.6.5
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