From 729419f0090601406abe714c5f8872a3bd53ff68 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 7 Jul 2010 17:40:13 -0400 Subject: oprofile: make event buffer nonseekable The event buffer cannot deal with seeks, so we should forbid that outright. Signed-off-by: Arnd Bergmann Cc: Robert Richter Cc: oprofile-list@lists.sf.net Signed-off-by: Robert Richter --- drivers/oprofile/event_buffer.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/oprofile/event_buffer.c') diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c index 5df60a6b6776..dd87e86048be 100644 --- a/drivers/oprofile/event_buffer.c +++ b/drivers/oprofile/event_buffer.c @@ -135,7 +135,7 @@ static int event_buffer_open(struct inode *inode, struct file *file) * echo 1 >/dev/oprofile/enable */ - return 0; + return nonseekable_open(inode, file); fail: dcookie_unregister(file->private_data); @@ -205,4 +205,5 @@ const struct file_operations event_buffer_fops = { .open = event_buffer_open, .release = event_buffer_release, .read = event_buffer_read, + .llseek = no_llseek, }; -- cgit v1.2.1