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Date:   Sat, 21 Nov 2020 13:48:44 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, hch@....de, arnd@...db.de,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next v2] compat: always include linux/compat.h from net/compat.h

We're about to do reshuffling in networking headers and
eliminate some implicit includes. This results in:

In file included from ../net/ipv4/netfilter/arp_tables.c:26:
include/net/compat.h:60:40: error: unknown type name ‘compat_uptr_t’; did you mean ‘compat_ptr_ioctl’?
    struct sockaddr __user **save_addr, compat_uptr_t *ptr,
                                        ^~~~~~~~~~~~~
                                        compat_ptr_ioctl
include/net/compat.h:61:4: error: unknown type name ‘compat_size_t’; did you mean ‘compat_sigset_t’?
    compat_size_t *len);
    ^~~~~~~~~~~~~
    compat_sigset_t

Currently net/compat.h depends on linux/compat.h being included
first. After the upcoming changes this would break the 32bit build.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
--
v2:
 - correct the commit message
 - remove the ifdef completely (Arnd)
---
 include/net/compat.h | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/include/net/compat.h b/include/net/compat.h
index 745db0d605b6..84805bdc4435 100644
--- a/include/net/compat.h
+++ b/include/net/compat.h
@@ -5,8 +5,6 @@
 
 struct sock;
 
-#if defined(CONFIG_COMPAT)
-
 #include <linux/compat.h>
 
 struct compat_msghdr {
@@ -48,14 +46,6 @@ struct compat_rtentry {
 	unsigned short  rt_irtt;        /* Initial RTT                  */
 };
 
-#else /* defined(CONFIG_COMPAT) */
-/*
- * To avoid compiler warnings:
- */
-#define compat_msghdr	msghdr
-#define compat_mmsghdr	mmsghdr
-#endif /* defined(CONFIG_COMPAT) */
-
 int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg,
 			struct sockaddr __user **save_addr, compat_uptr_t *ptr,
 			compat_size_t *len);
-- 
2.24.1

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