On 2013/6/11 5:13, Greg Kroah-Hartman wrote: > On Fri, Jun 07, 2013 at 05:00:33PM +0800, Li Zefan wrote: >> commit 6a76f8c0ab19f215af2a3442870eeb5f0e81998d upstream. >> >> Currently set_ftrace_pid and set_graph_function files use seq_lseek >> for their fops. However seq_open() is called only for FMODE_READ in >> the fops->open() so that if an user tries to seek one of those file >> when she open it for writing, it sees NULL seq_file and then panic. > > You lost the original authorship of this patch, which is a very bad > thing to do. > Oops, my bad. > Ugh, time to edit emails by hand, not my favorite pasttime, someone owes > me a drink... > Sure, maybe at Plumber. ;) -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html