linux-kernel - [PATCH 5.10 040/152] mm/process_vm

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Message-Id: <20210118113354.705127325@linuxfoundation.org>
Date:   Mon, 18 Jan 2021 12:33:35 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        syzbot+5b0d0de84d6c65b8dd2b@...kaller.appspotmail.com,
        Kyle Huey <me@...ehuey.com>, Jens Axboe <axboe@...nel.dk>,
        Al Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@....de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [PATCH 5.10 040/152] mm/process_vm_access.c: include compat.h

From: Andrew Morton <akpm@...ux-foundation.org>

commit eb351d75ce1e75b4f793d609efac08426ca50acd upstream.

Fix the build error:

  mm/process_vm_access.c:277:5: error: implicit declaration of function 'in_compat_syscall'; did you mean 'in_ia32_syscall'? [-Werror=implicit-function-declaration]

Fixes: 38dc5079da7081e "Fix compat regression in process_vm_rw()"
Reported-by: syzbot+5b0d0de84d6c65b8dd2b@...kaller.appspotmail.com
Cc: Kyle Huey <me@...ehuey.com>
Cc: Jens Axboe <axboe@...nel.dk>
Cc: Al Viro <viro@...iv.linux.org.uk>
Cc: Christoph Hellwig <hch@....de>
Cc: <stable@...r.kernel.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 mm/process_vm_access.c |    1 +
 1 file changed, 1 insertion(+)

--- a/mm/process_vm_access.c
+++ b/mm/process_vm_access.c
@@ -9,6 +9,7 @@
 #include <linux/mm.h>
 #include <linux/uio.h>
 #include <linux/sched.h>
+#include <linux/compat.h>
 #include <linux/sched/mm.h>
 #include <linux/highmem.h>
 #include <linux/ptrace.h>