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NFSD: De-duplicate nfsd4_decode_bitmap4()

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Clean up. Trond points out that xdr_stream_decode_uint32_array()
does the same thing as nfsd4_decode_bitmap4().

Suggested-by: Trond Myklebust <trondmy@hammerspace.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2021-12-13 10:20:45 -05:00
parent 3dcd1d8aab
commit cd2e999c7c
1 changed files with 3 additions and 14 deletions
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17
fs/nfsd/nfs4xdr.c
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@ -277,21 +277,10 @@ nfsd4_decode_verifier4(struct nfsd4_compoundargs *argp, nfs4_verifier *verf)
static __be32
nfsd4_decode_bitmap4(struct nfsd4_compoundargs *argp, u32 *bmval, u32 bmlen)
{
u32 i, count;
__be32 *p;
ssize_t status;
if (xdr_stream_decode_u32(argp->xdr, &count) < 0)
return nfserr_bad_xdr;
/* request sanity */
if (count > 1000)
return nfserr_bad_xdr;
p = xdr_inline_decode(argp->xdr, count << 2);
if (!p)
return nfserr_bad_xdr;
for (i = 0; i < bmlen; i++)
bmval[i] = (i < count) ? be32_to_cpup(p++) : 0;
return nfs_ok;
status = xdr_stream_decode_uint32_array(argp->xdr, bmval, bmlen);
return status == -EBADMSG ? nfserr_bad_xdr : nfs_ok;
}
static __be32