Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964855Ab3DJASV (ORCPT ); Tue, 9 Apr 2013 20:18:21 -0400 Received: from LGEMRELSE1Q.lge.com ([156.147.1.111]:46928 "EHLO LGEMRELSE1Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1765447Ab3DJASU (ORCPT ); Tue, 9 Apr 2013 20:18:20 -0400 X-AuditID: 9c93016f-b7b3fae0000004d3-f9-5164afcac3af From: Namhyung Kim To: Steven Rostedt Cc: Frederic Weisbecker , LKML , Namhyung Kim Subject: [PATCH 2/3] tracing: Check return value of tracing_init_dentry() Date: Wed, 10 Apr 2013 09:18:12 +0900 Message-Id: <1365553093-10180-2-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1365553093-10180-1-git-send-email-namhyung@kernel.org> References: <1365553093-10180-1-git-send-email-namhyung@kernel.org> X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1740 Lines: 58 From: Namhyung Kim Check return value and bail out if it's NULL. Signed-off-by: Namhyung Kim --- kernel/trace/trace.c | 2 ++ kernel/trace/trace_stack.c | 2 ++ kernel/trace/trace_stat.c | 2 ++ 3 files changed, 6 insertions(+) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 829b2bee24e8..7270460cfe3c 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5953,6 +5953,8 @@ static __init int tracer_init_debugfs(void) trace_access_lock_init(); d_tracer = tracing_init_dentry(); + if (!d_tracer) + return 0; init_tracer_debugfs(&global_trace, d_tracer); diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index aab277b67fa9..8c3f37e2dc43 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -431,6 +431,8 @@ static __init int stack_trace_init(void) struct dentry *d_tracer; d_tracer = tracing_init_dentry(); + if (!d_tracer) + return 0; trace_create_file("stack_max_size", 0644, d_tracer, &max_stack_size, &stack_max_size_fops); diff --git a/kernel/trace/trace_stat.c b/kernel/trace/trace_stat.c index 96cffb269e73..847f88a6194b 100644 --- a/kernel/trace/trace_stat.c +++ b/kernel/trace/trace_stat.c @@ -307,6 +307,8 @@ static int tracing_stat_init(void) struct dentry *d_tracing; d_tracing = tracing_init_dentry(); + if (!d_tracing) + return 0; stat_dir = debugfs_create_dir("trace_stat", d_tracing); if (!stat_dir) -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/