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Be conservative and do not try to consume more bytes than was

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requested from the server for the read operation.  Server shall not
reply with too large size, but client should be resilent too.

Reviewed by:	rmacklem
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2013-01-27 09:34:25 +00:00
parent 5f451cd59b
commit 6168020f66
1 changed files with 1 additions and 1 deletions
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2
sys/fs/nfsclient/nfs_clrpcops.c
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@ -1444,7 +1444,7 @@ nfsrpc_readrpc(vnode_t vp, struct uio *uiop, struct ucred *cred,
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
eof = fxdr_unsigned(int, *tl);
}
NFSM_STRSIZ(retlen, rsize);
NFSM_STRSIZ(retlen, len);
error = nfsm_mbufuio(nd, uiop, retlen);
if (error)
goto nfsmout;