diff mbox

[03/12] Staging: batman-adv: Mark debugfs files as nonseekable

Message ID 1284836482-23431-4-git-send-email-sven.eckelmann@gmx.de (mailing list archive)
State Not Applicable, archived
Headers

Commit Message

Sven Eckelmann Sept. 18, 2010, 7:01 p.m. UTC 
  We don't allow to seek in the debugfs socket and log files. Thus we
should mark the file descriptor as nonseekable.

Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/staging/batman-adv/bat_debugfs.c |    2 ++
 drivers/staging/batman-adv/icmp_socket.c |    3 +++
 2 files changed, 5 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/drivers/staging/batman-adv/bat_debugfs.c b/drivers/staging/batman-adv/bat_debugfs.c
index 507da68..57f84a9 100644
--- a/drivers/staging/batman-adv/bat_debugfs.c
+++ b/drivers/staging/batman-adv/bat_debugfs.c
@@ -90,6 +90,7 @@  int debug_log(struct bat_priv *bat_priv, char *fmt, ...)
 
 static int log_open(struct inode *inode, struct file *file)
 {
+	nonseekable_open(inode, file);
 	file->private_data = inode->i_private;
 	inc_module_count();
 	return 0;
@@ -174,6 +175,7 @@  static const struct file_operations log_fops = {
 	.release        = log_release,
 	.read           = log_read,
 	.poll           = log_poll,
+	.llseek         = no_llseek,
 };
 
 static int debug_log_setup(struct bat_priv *bat_priv)
diff --git a/drivers/staging/batman-adv/icmp_socket.c b/drivers/staging/batman-adv/icmp_socket.c
index 24627be..48856ca 100644
--- a/drivers/staging/batman-adv/icmp_socket.c
+++ b/drivers/staging/batman-adv/icmp_socket.c
@@ -45,6 +45,8 @@  static int bat_socket_open(struct inode *inode, struct file *file)
 	unsigned int i;
 	struct socket_client *socket_client;
 
+	nonseekable_open(inode, file);
+
 	socket_client = kmalloc(sizeof(struct socket_client), GFP_KERNEL);
 
 	if (!socket_client)
@@ -283,6 +285,7 @@  static const struct file_operations fops = {
 	.read = bat_socket_read,
 	.write = bat_socket_write,
 	.poll = bat_socket_poll,
+	.llseek = no_llseek,
 };
 
 int bat_socket_setup(struct bat_priv *bat_priv)