mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-02 23:27:06 +00:00
Code Issues Releases Wiki Activity

oprofile: make event buffer nonseekable

Browse source 
The event buffer cannot deal with seeks, so
we should forbid that outright.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Robert Richter <robert.richter@amd.com>
Cc: oprofile-list@lists.sf.net
Signed-off-by: Robert Richter <robert.richter@amd.com>
This commit is contained in:
Arnd Bergmann 2010-07-07 17:40:13 -04:00 committed by Robert Richter
parent b12eab1a79
commit 729419f009
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/oprofile/event_buffer.c
View file

@ -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,
};