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Date: Sun, 20 Dec 2020 10:58:30 +0100
From: Heiko Carstens <hca@...ux.ibm.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org,
Linus Torvalds <torvalds@...ux-foundation.org>,
Heiko Carstens <hca@...ux.ibm.com>,
Willem de Bruijn <willemb@...gle.com>,
Al Viro <viro@...iv.linux.org.uk>,
Arnd Bergmann <arnd@...db.de>,
Matthew Wilcox <willy@...radead.org>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
Vasily Gorbik <gor@...ux.ibm.com>,
Christian Borntraeger <borntraeger@...ibm.com>,
"David S. Miller" <davem@...emloft.net>
Subject: [PATCH] epoll: fix compat syscall wire up of epoll_pwait2
Commit b0a0c2615f6f ("epoll: wire up syscall epoll_pwait2") wired up
the 64 bit syscall instead of the compat variant in a couple of places.
Cc: Willem de Bruijn <willemb@...gle.com>
Cc: Al Viro <viro@...iv.linux.org.uk>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Matthew Wilcox (Oracle) <willy@...radead.org>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Will Deacon <will@...nel.org>
Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: Vasily Gorbik <gor@...ux.ibm.com>
Cc: Christian Borntraeger <borntraeger@...ibm.com>
Cc: "David S. Miller" <davem@...emloft.net>
Fixes: b0a0c2615f6f ("epoll: wire up syscall epoll_pwait2")
Signed-off-by: Heiko Carstens <hca@...ux.ibm.com>
---
arch/arm64/include/asm/unistd32.h | 2 +-
arch/mips/kernel/syscalls/syscall_n32.tbl | 2 +-
arch/s390/kernel/syscalls/syscall.tbl | 2 +-
arch/sparc/kernel/syscalls/syscall.tbl | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index f4bca2b90218..cccfbbefbf95 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -890,7 +890,7 @@ __SYSCALL(__NR_faccessat2, sys_faccessat2)
#define __NR_process_madvise 440
__SYSCALL(__NR_process_madvise, sys_process_madvise)
#define __NR_epoll_pwait2 441
-__SYSCALL(__NR_epoll_pwait2, sys_epoll_pwait2)
+__SYSCALL(__NR_epoll_pwait2, compat_sys_epoll_pwait2)
/*
* Please add new compat syscalls above this comment and update
diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl
index ad9c3dd0ab1f..0f03ad223f33 100644
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -379,4 +379,4 @@
438 n32 pidfd_getfd sys_pidfd_getfd
439 n32 faccessat2 sys_faccessat2
440 n32 process_madvise sys_process_madvise
-441 n32 epoll_pwait2 sys_epoll_pwait2
+441 n32 epoll_pwait2 compat_sys_epoll_pwait2
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
index 14f6525886a8..d443423495e5 100644
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/syscalls/syscall.tbl
@@ -443,4 +443,4 @@
438 common pidfd_getfd sys_pidfd_getfd sys_pidfd_getfd
439 common faccessat2 sys_faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise sys_process_madvise
-441 common epoll_pwait2 sys_epoll_pwait2 sys_epoll_pwait2
+441 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index c7da4c3271e6..40d8c7cd8298 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -486,4 +486,4 @@
438 common pidfd_getfd sys_pidfd_getfd
439 common faccessat2 sys_faccessat2
440 common process_madvise sys_process_madvise
-441 common epoll_pwait2 sys_epoll_pwait2
+441 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2
--
2.17.1
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