From: Steven Rostedt (Red Hat) Date: Thu, 23 Jan 2014 17:27:59 +0000 (-0500) Subject: tracing: Check if tracing is enabled in trace_puts() X-Git-Tag: v3.14-rc1~82^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3132e107d608f8753240d82d61303c500fd515b4;p=pandora-kernel.git tracing: Check if tracing is enabled in trace_puts() If trace_puts() is used very early in boot up, it can crash the machine if it is called before the ring buffer is allocated. If a trace_printk() is used with no arguments, then it will be converted into a trace_puts() and suffer the same fate. Cc: stable@vger.kernel.org # 3.10+ Fixes: 09ae72348ecc "tracing: Add trace_puts() for even faster trace_printk() tracing" Signed-off-by: Steven Rostedt --- Reading git-diff-tree failed