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| author |   Heiko Carstens <heiko.carstens@de.ibm.com> | 2014-01-29 14:05:47 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-29 16:22:40 -0800 |
| commit | 49382d93852f1ba4a4fbbce20d094f600cc8aff8 (patch) | |
| tree | 79fc2040f78bb89b1ea90ed3ce9c7351644f7487 /arch/s390/kernel/compat_linux.c | |
| parent | fs/compat: fix lookup_dcookie() parameter handling (diff) | |
| download | linux-dev-49382d93852f1ba4a4fbbce20d094f600cc8aff8.tar.xz linux-dev-49382d93852f1ba4a4fbbce20d094f600cc8aff8.zip | |
s390/compat: change parameter types from unsigned long to compat_ulong_t
Change parameter types of s390's compat ipc syscall from unsigned long
to compat_ulong_t to enforce zero extension of these parameters.
This is not really a bug, since s390_ipc compat syscall is only a
wrapper to the generic compat_sys_ipc() syscall, which performs correct
zero and sign extension.
This was introduced with commit 56e41d3c5aa8 ("merge compat sys_ipc
instances").
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/s390/kernel/compat_linux.c')
| -rw-r--r-- | arch/s390/kernel/compat_linux.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index e030d2bdec1b..db02052bd137 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -286,8 +286,8 @@ asmlinkage long sys32_getegid16(void) } #ifdef CONFIG_SYSVIPC -COMPAT_SYSCALL_DEFINE5(s390_ipc, uint, call, int, first, unsigned long, second, - unsigned long, third, compat_uptr_t, ptr) +COMPAT_SYSCALL_DEFINE5(s390_ipc, uint, call, int, first, compat_ulong_t, second, + compat_ulong_t, third, compat_uptr_t, ptr) { if (call >> 16) /* hack for backward compatibility */ return -EINVAL; |