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net: socket: replace call to sys_recv() with __sys_recvfrom()

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sys_recv() merely expands the parameters to __sys_recvfrom() by NULL and
NULL. Open-code this in the two places which used sys_recv() as a wrapper
to __sys_recvfrom().

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/[email protected]

Cc: David S. Miller <[email protected]>
Cc: [email protected]
Signed-off-by: Dominik Brodowski <[email protected]>
This commit is contained in:
Dominik Brodowski 2018-03-13 19:54:17 +01:00
commit d27e9afc64
2 changed files with 4 additions and 2 deletions
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3
net/compat.c
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@ -755,7 +755,8 @@ COMPAT_SYSCALL_DEFINE3(recvmsg, int, fd, struct compat_msghdr __user *, msg, uns
COMPAT_SYSCALL_DEFINE4(recv, int, fd, void __user *, buf, compat_size_t, len, unsigned int, flags)
{
return sys_recv(fd, buf, len, flags | MSG_CMSG_COMPAT);
return __sys_recvfrom(fd, buf, len, flags | MSG_CMSG_COMPAT, NULL,
NULL);
}
COMPAT_SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, buf, compat_size_t, len,