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From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: <linux-kernel@vger.kernel.org>
Cc: Dmitry Vyukov <dvyukov@google.com>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Mark Rutland <mark.rutland@arm.com>,
	James Morse <james.morse@arm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH] kcov: add missing #include <linux/sched.h>
Date: Tue, 6 Dec 2016 14:56:24 +0800	[thread overview]
Message-ID: <1481007384-27529-1-git-send-email-wangkefeng.wang@huawei.com> (raw)

It is needed by struct task_struct, fixes the following build problem
with old gcc:

../kernel/kcov.c: In function ‘__sanitizer_cov_trace_pc’:
../kernel/kcov.c:66: error: dereferencing pointer to incomplete type
	......
../kernel/kcov.c:239: error: dereferencing pointer to incomplete type

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---

note:
- Build error occurred when I backported kcov to an old kernel version
  with an old gcc

 kernel/kcov.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/kcov.c b/kernel/kcov.c
index 30e6d05..3cbb0c8 100644
--- a/kernel/kcov.c
+++ b/kernel/kcov.c
@@ -7,6 +7,7 @@
 #include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/printk.h>
+#include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/vmalloc.h>
-- 
1.7.12.4

             reply	other threads:[~2016-12-06  7:00 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-06  6:56 Kefeng Wang [this message]
2016-12-06 11:09 ` [PATCH] kcov: add missing #include <linux/sched.h> Mark Rutland
2016-12-08  2:13   ` [PATCH] kcov: add more missing include Kefeng Wang

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