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mptcp: fix conflict with <netinet/in.h>

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commit 06e445f740 upstream.

Including <linux/mptcp.h> before the C library <netinet/in.h> header
causes symbol redefinition errors at compile-time due to duplicate
declarations and definitions in the <linux/in.h> header included by
<linux/mptcp.h>.

Explicitly include <netinet/in.h> before <linux/in.h> in
<linux/mptcp.h> when __KERNEL__ is not defined so that the C library
compatibility logic in <linux/libc-compat.h> is enabled when including
<linux/mptcp.h> in user space code.

Fixes: c11c5906bc ("mptcp: add MPTCP_SUBFLOW_ADDRS getsockopt support")
Signed-off-by: Ossama Othman <ossama.othman@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ossama Othman 2022-06-27 18:02:42 -07:00 committed by Greg Kroah-Hartman
parent fa5121c73f
commit 80620e74e1
1 changed files with 5 additions and 4 deletions
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9
include/uapi/linux/mptcp.h
View file

@ -2,16 +2,17 @@
#ifndef _UAPI_MPTCP_H
#define _UAPI_MPTCP_H
#ifndef __KERNEL__
#include <netinet/in.h> /* for sockaddr_in and sockaddr_in6 */
#include <sys/socket.h> /* for struct sockaddr */
#endif
#include <linux/const.h>
#include <linux/types.h>
#include <linux/in.h> /* for sockaddr_in */
#include <linux/in6.h> /* for sockaddr_in6 */
#include <linux/socket.h> /* for sockaddr_storage and sa_family */
#ifndef __KERNEL__
#include <sys/socket.h> /* for struct sockaddr */
#endif
#define MPTCP_SUBFLOW_FLAG_MCAP_REM _BITUL(0)
#define MPTCP_SUBFLOW_FLAG_MCAP_LOC _BITUL(1)
#define MPTCP_SUBFLOW_FLAG_JOIN_REM _BITUL(2)