linux-kernel - [PATCH 4.4] um: Compile with modern headers

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Message-Id: <20190703094627.50424-1-balsini@android.com>
Date:   Wed,  3 Jul 2019 10:46:27 +0100
From:   Alessio Balsini <balsini@...roid.com>
To:     gregkh@...uxfoundation.org
Cc:     astrachan@...gle.com, maennich@...gle.com, kernel-team@...roid.com,
        stable@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4.4] um: Compile with modern headers

From: "Jason A. Donenfeld" <Jason@...c4.com>

commit 530ba6c7cb3c22435a4d26de47037bb6f86a5329 upstream.

Recent libcs have gotten a bit more strict, so we actually need to
include the right headers and use the right types. This enables UML to
compile again.

Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
Cc: stable@...r.kernel.org
Signed-off-by: Richard Weinberger <richard@....at>
Signed-off-by: Alessio Balsini <balsini@...roid.com>
---
 arch/um/os-Linux/file.c   | 1 +
 arch/um/os-Linux/signal.c | 2 ++
 arch/x86/um/stub_segv.c   | 1 +
 3 files changed, 4 insertions(+)

diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index 26e0164895e4..6e6f6d28d54b 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -12,6 +12,7 @@
 #include <sys/mount.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
+#include <sys/sysmacros.h>
 #include <sys/un.h>
 #include <sys/types.h>
 #include <os.h>
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 56648f4f8b41..5da50451d372 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -14,7 +14,9 @@
 #include <as-layout.h>
 #include <kern_util.h>
 #include <os.h>
+#include <sys/ucontext.h>
 #include <sysdep/mcontext.h>
+#include <um_malloc.h>
 
 void (*sig_info[NSIG])(int, struct siginfo *, struct uml_pt_regs *) = {
 	[SIGTRAP]	= relay_signal,
diff --git a/arch/x86/um/stub_segv.c b/arch/x86/um/stub_segv.c
index fd6825537b97..27361cbb7ca9 100644
--- a/arch/x86/um/stub_segv.c
+++ b/arch/x86/um/stub_segv.c
@@ -6,6 +6,7 @@
 #include <sysdep/stub.h>
 #include <sysdep/faultinfo.h>
 #include <sysdep/mcontext.h>
+#include <sys/ucontext.h>
 
 void __attribute__ ((__section__ (".__syscall_stub")))
 stub_segv_handler(int sig, siginfo_t *info, void *p)
-- 
2.22.0.410.gd8fdbe21b5-goog