x86: Use compat version for preadv2 and pwritev2

Similar to preadv and pwritev, preadv2 and pwritev2 need compat entries
in the 32-bit syscall table.

This bug was found by strace test suite.

Fixes: 4babf2c5efb7 ("x86: wire up preadv2 and pwritev2")
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Acked-by: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/20160511084817.GA29823@altlinux.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl
index b30dd8154cc244080c395d8913b3ab4fed1cadb3..4cddd17153fbe569ed1a1e9e0a9c17e39ba05be3 100644 (file)
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl
@@ -384,5 +384,5 @@
 375    i386    membarrier              sys_membarrier
 376    i386    mlock2                  sys_mlock2
 377    i386    copy_file_range         sys_copy_file_range
-378    i386    preadv2                 sys_preadv2
-379    i386    pwritev2                sys_pwritev2
+378    i386    preadv2                 sys_preadv2                     compat_sys_preadv2
+379    i386    pwritev2                sys_pwritev2                    compat_sys_pwritev2