diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index ccfb1c92b2624e53016f5486e637efc9ff7b4e67..a6b00e84bd1a1c38dac2a6d2990837fa9e9b3067 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -2883,12 +2883,8 @@ static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, stru __be32 *p; int len; - if (fh == NULL) { - bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; - return 0; - } - - memset(fh, 0, sizeof(*fh)); + if (fh != NULL) + memset(fh, 0, sizeof(*fh)); if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) return -EIO; @@ -2899,11 +2895,13 @@ static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, stru len = be32_to_cpup(p); if (len > NFS4_FHSIZE) return -EIO; - fh->size = len; p = xdr_inline_decode(xdr, len); if (unlikely(!p)) goto out_overflow; - memcpy(fh->data, p, len); + if (fh != NULL) { + memcpy(fh->data, p, len); + fh->size = len; + } bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; } return 0;