From: Arnd B. <ar...@ar...> - 2010-07-07 22:06:19
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The event buffer cannot deal with seeks, so we should forbid that outright. Signed-off-by: Arnd Bergmann <ar...@ar...> Cc: Robert Richter <rob...@am...> Cc: opr...@li... --- drivers/oprofile/event_buffer.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c index 5df60a6..dd87e86 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, }; -- 1.7.1 |