X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fsunrpc%2Fxdr.c;h=79a55d56cc980dbe63d1caa913046414e870e926;hb=07240fd0902c872f044f523893364a1a24c9f278;hp=f38dac30481b44d93344850494ea1ec041a148e5;hpb=0e4bd10c9b7e9ed65132f5935328275deb760384;p=linux-2.6-omap-h63xx.git

diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index f38dac30481..79a55d56cc9 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -28,6 +28,7 @@ xdr_encode_netobj(__be32 *p, const struct xdr_netobj *obj)
 	memcpy(p, obj->data, obj->len);
 	return p + XDR_QUADLEN(obj->len);
 }
+EXPORT_SYMBOL(xdr_encode_netobj);
 
 __be32 *
 xdr_decode_netobj(__be32 *p, struct xdr_netobj *obj)
@@ -40,6 +41,7 @@ xdr_decode_netobj(__be32 *p, struct xdr_netobj *obj)
 	obj->data = (u8 *) p;
 	return p + XDR_QUADLEN(len);
 }
+EXPORT_SYMBOL(xdr_decode_netobj);
 
 /**
  * xdr_encode_opaque_fixed - Encode fixed length opaque data
@@ -91,18 +93,22 @@ xdr_encode_string(__be32 *p, const char *string)
 {
 	return xdr_encode_array(p, string, strlen(string));
 }
+EXPORT_SYMBOL(xdr_encode_string);
 
 __be32 *
-xdr_decode_string_inplace(__be32 *p, char **sp, int *lenp, int maxlen)
+xdr_decode_string_inplace(__be32 *p, char **sp,
+			  unsigned int *lenp, unsigned int maxlen)
 {
-	unsigned int	len;
+	u32 len;
 
-	if ((len = ntohl(*p++)) > maxlen)
+	len = ntohl(*p++);
+	if (len > maxlen)
 		return NULL;
 	*lenp = len;
 	*sp = (char *) p;
 	return p + XDR_QUADLEN(len);
 }
+EXPORT_SYMBOL(xdr_decode_string_inplace);
 
 void
 xdr_encode_pages(struct xdr_buf *xdr, struct page **pages, unsigned int base,
@@ -130,6 +136,7 @@ xdr_encode_pages(struct xdr_buf *xdr, struct page **pages, unsigned int base,
 	xdr->buflen += len;
 	xdr->len += len;
 }
+EXPORT_SYMBOL(xdr_encode_pages);
 
 void
 xdr_inline_pages(struct xdr_buf *xdr, unsigned int offset,
@@ -151,7 +158,7 @@ xdr_inline_pages(struct xdr_buf *xdr, unsigned int offset,
 
 	xdr->buflen += len;
 }
-
+EXPORT_SYMBOL(xdr_inline_pages);
 
 /*
  * Helper routines for doing 'memmove' like operations on a struct xdr_buf
@@ -237,7 +244,7 @@ _copy_to_pages(struct page **pages, size_t pgbase, const char *p, size_t len)
 	pgto = pages + (pgbase >> PAGE_CACHE_SHIFT);
 	pgbase &= ~PAGE_CACHE_MASK;
 
-	do {
+	for (;;) {
 		copy = PAGE_CACHE_SIZE - pgbase;
 		if (copy > len)
 			copy = len;
@@ -246,6 +253,10 @@ _copy_to_pages(struct page **pages, size_t pgbase, const char *p, size_t len)
 		memcpy(vto + pgbase, p, copy);
 		kunmap_atomic(vto, KM_USER0);
 
+		len -= copy;
+		if (len == 0)
+			break;
+
 		pgbase += copy;
 		if (pgbase == PAGE_CACHE_SIZE) {
 			flush_dcache_page(*pgto);
@@ -253,8 +264,7 @@ _copy_to_pages(struct page **pages, size_t pgbase, const char *p, size_t len)
 			pgto++;
 		}
 		p += copy;
-
-	} while ((len -= copy) != 0);
+	}
 	flush_dcache_page(*pgto);
 }
 
@@ -418,6 +428,7 @@ xdr_shift_buf(struct xdr_buf *buf, size_t len)
 {
 	xdr_shrink_bufhead(buf, len);
 }
+EXPORT_SYMBOL(xdr_shift_buf);
 
 /**
  * xdr_init_encode - Initialize a struct xdr_stream for sending data.
@@ -639,6 +650,7 @@ xdr_buf_from_iov(struct kvec *iov, struct xdr_buf *buf)
 	buf->page_len = 0;
 	buf->buflen = buf->len = iov->iov_len;
 }
+EXPORT_SYMBOL(xdr_buf_from_iov);
 
 /* Sets subbuf to the portion of buf of length len beginning base bytes
  * from the start of buf. Returns -1 if base of length are out of bounds. */
@@ -687,6 +699,7 @@ xdr_buf_subsegment(struct xdr_buf *buf, struct xdr_buf *subbuf,
 		return -1;
 	return 0;
 }
+EXPORT_SYMBOL(xdr_buf_subsegment);
 
 static void __read_bytes_from_xdr_buf(struct xdr_buf *subbuf, void *obj, unsigned int len)
 {
@@ -717,6 +730,7 @@ int read_bytes_from_xdr_buf(struct xdr_buf *buf, unsigned int base, void *obj, u
 	__read_bytes_from_xdr_buf(&subbuf, obj, len);
 	return 0;
 }
+EXPORT_SYMBOL(read_bytes_from_xdr_buf);
 
 static void __write_bytes_to_xdr_buf(struct xdr_buf *subbuf, void *obj, unsigned int len)
 {
@@ -760,6 +774,7 @@ xdr_decode_word(struct xdr_buf *buf, unsigned int base, u32 *obj)
 	*obj = ntohl(raw);
 	return 0;
 }
+EXPORT_SYMBOL(xdr_decode_word);
 
 int
 xdr_encode_word(struct xdr_buf *buf, unsigned int base, u32 obj)
@@ -768,6 +783,7 @@ xdr_encode_word(struct xdr_buf *buf, unsigned int base, u32 obj)
 
 	return write_bytes_to_xdr_buf(buf, base, &raw, sizeof(obj));
 }
+EXPORT_SYMBOL(xdr_encode_word);
 
 /* If the netobj starting offset bytes from the start of xdr_buf is contained
  * entirely in the head or the tail, set object to point to it; otherwise
@@ -805,6 +821,7 @@ int xdr_buf_read_netobj(struct xdr_buf *buf, struct xdr_netobj *obj, unsigned in
 	__read_bytes_from_xdr_buf(&subbuf, obj->data, obj->len);
 	return 0;
 }
+EXPORT_SYMBOL(xdr_buf_read_netobj);
 
 /* Returns 0 on success, or else a negative error code. */
 static int
@@ -1010,6 +1027,7 @@ xdr_decode_array2(struct xdr_buf *buf, unsigned int base,
 
 	return xdr_xcode_array2(buf, base, desc, 0);
 }
+EXPORT_SYMBOL(xdr_decode_array2);
 
 int
 xdr_encode_array2(struct xdr_buf *buf, unsigned int base,
@@ -1021,6 +1039,7 @@ xdr_encode_array2(struct xdr_buf *buf, unsigned int base,
 
 	return xdr_xcode_array2(buf, base, desc, 1);
 }
+EXPORT_SYMBOL(xdr_encode_array2);
 
 int
 xdr_process_buf(struct xdr_buf *buf, unsigned int offset, unsigned int len,
@@ -1030,6 +1049,8 @@ xdr_process_buf(struct xdr_buf *buf, unsigned int offset, unsigned int len,
 	unsigned page_len, thislen, page_offset;
 	struct scatterlist      sg[1];
 
+	sg_init_table(sg, 1);
+
 	if (offset >= buf->head[0].iov_len) {
 		offset -= buf->head[0].iov_len;
 	} else {