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authorDominik Brodowski <linux@dominikbrodowski.net>2018-03-20 21:29:00 +0100
committerDominik Brodowski <linux@dominikbrodowski.net>2018-04-02 20:15:28 +0200
commit31c213f2106b7ea06f7fdc94ef8b785ed5342cf7 (patch)
tree2d35678c97d438ac743f30b596006370a1e02c15 /ipc/syscall.c
parentipc: add msgrcv syscall/compat_syscall wrappers (diff)
downloadlinux-dev-31c213f2106b7ea06f7fdc94ef8b785ed5342cf7.tar.xz
linux-dev-31c213f2106b7ea06f7fdc94ef8b785ed5342cf7.zip
ipc: add msgsnd syscall/compat_syscall wrappers
Provide ksys_msgsnd() and compat_ksys_msgsnd() wrappers to avoid in-kernel calls to these syscalls. The ksys_ prefix denotes that these functions are meant as a drop-in replacement for the syscalls. In particular, they use the same calling convention as sys_msgsnd() and compat_sys_msgsnd(). This patch is part of a series which removes in-kernel calls to syscalls. On this basis, the syscall entry path can be streamlined. For details, see http://lkml.kernel.org/r/20180325162527.GA17492@light.dominikbrodowski.net Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'ipc/syscall.c')
-rw-r--r--ipc/syscall.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/ipc/syscall.c b/ipc/syscall.c
index 0228c7afd882..77a883ef2eca 100644
--- a/ipc/syscall.c
+++ b/ipc/syscall.c
@@ -46,7 +46,7 @@ SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second,
}
case MSGSND:
- return sys_msgsnd(first, (struct msgbuf __user *) ptr,
+ return ksys_msgsnd(first, (struct msgbuf __user *) ptr,
second, third);
case MSGRCV:
switch (version) {
@@ -142,7 +142,7 @@ COMPAT_SYSCALL_DEFINE6(ipc, u32, call, int, first, int, second,
return compat_ksys_semctl(first, second, third, pad);
case MSGSND:
- return compat_sys_msgsnd(first, ptr, second, third);
+ return compat_ksys_msgsnd(first, ptr, second, third);
case MSGRCV: {
void __user *uptr = compat_ptr(ptr);