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| author | Dominik Brodowski <linux@dominikbrodowski.net> | 2018-03-20 20:09:48 +0100 |
|---|---|---|
| committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2018-04-02 20:15:25 +0200 |
| commit | da1e2744341542e404c172bcf6a321f509408b14 (patch) | |
| tree | e2404117362bb519750e1f18b4d513c1958fab1b /ipc/syscall.c | |
| parent | 65749e0bb5e7de876ee43d3f601e32afe17e9248 (diff) | |
| download | linux-stable-da1e2744341542e404c172bcf6a321f509408b14.tar.gz linux-stable-da1e2744341542e404c172bcf6a321f509408b14.tar.bz2 linux-stable-da1e2744341542e404c172bcf6a321f509408b14.zip | |
ipc: add shmdt syscall wrapper
Provide ksys_shmdt() wrapper to avoid in-kernel calls to this syscall.
The ksys_ prefix denotes that this function is meant as a drop-in
replacement for the syscall. In particular, it uses the same calling
convention as sys_shmdt().
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.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ipc/syscall.c b/ipc/syscall.c index 60bceb19b6f0..b3aa71564815 100644 --- a/ipc/syscall.c +++ b/ipc/syscall.c @@ -90,7 +90,7 @@ SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second, return -EINVAL; } case SHMDT: - return sys_shmdt((char __user *)ptr); + return ksys_shmdt((char __user *)ptr); case SHMGET: return ksys_shmget(first, second, third); case SHMCTL: @@ -178,7 +178,7 @@ COMPAT_SYSCALL_DEFINE6(ipc, u32, call, int, first, int, second, return put_user(raddr, (compat_ulong_t __user *)compat_ptr(third)); } case SHMDT: - return sys_shmdt(compat_ptr(ptr)); + return ksys_shmdt(compat_ptr(ptr)); case SHMGET: return ksys_shmget(first, (unsigned int)second, third); case SHMCTL: |