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nfsd: remove set but not used variable 'len' 

Fixes gcc '-Wunused-but-set-variable' warning:

fs/nfsd/nfs4xdr.c: In function nfsd4_encode_splice_read:
fs/nfsd/nfs4xdr.c:3464:7: warning: variable len set but not used [-Wunused-but-set-variable]

It is not used since commit 83a63072c8 ("nfsd: fix nfs read eof detection")

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
YueHaibing 2019-09-28 12:21:56 +08:00 committed by J. Bruce Fields
parent da0c9ea146
commit 19a1aad888
1 changed files with 0 additions and 2 deletions
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2
fs/nfsd/nfs4xdr.c
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@ -3461,7 +3461,6 @@ static __be32 nfsd4_encode_splice_read(
struct xdr_stream *xdr = &resp->xdr;
struct xdr_buf *buf = xdr->buf;
u32 eof;
long len;
int space_left;
__be32 nfserr;
__be32 *p = xdr->p - 2;
@ -3470,7 +3469,6 @@ static __be32 nfsd4_encode_splice_read(
if (xdr->end - xdr->p < 1)
return nfserr_resource;
len = maxcount;
nfserr = nfsd_splice_read(read->rd_rqstp, read->rd_fhp,
file, read->rd_offset, &maxcount, &eof);
read->rd_length = maxcount;