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authorDominik Brodowski <linux@dominikbrodowski.net>2018-03-20 22:09:48 +0300
committerDominik Brodowski <linux@dominikbrodowski.net>2018-04-02 21:15:25 +0300
commitda1e2744341542e404c172bcf6a321f509408b14 (patch)
treee2404117362bb519750e1f18b4d513c1958fab1b /ipc/syscall.c
parent65749e0bb5e7de876ee43d3f601e32afe17e9248 (diff)
downloadlinux-da1e2744341542e404c172bcf6a321f509408b14.tar.xz
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.c4
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: