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Commit e038e67f authored by Ivan Safonov's avatar Ivan Safonov Committed by Greg Kroah-Hartman
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staging:r8188eu: update pkt->(data|tail|len) synchronously with... 


staging:r8188eu: update pkt->(data|tail|len) synchronously with rx_(data|tail|len) in recv_frame structure

Original driver code uses rx_* members to store skb (pkt) fields
(instead of pkt->* members), pkt->* updated only after data
completely formed, not in process.

Update pkt->* after data buffer changed (with rx_*).

Signed-off-by: default avatarIvan Safonov <insafonov@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent bdf299c1

drivers/staging/rtl8188eu/include/rtw_recv.h

+4 −1
Original line number Diff line number Diff line
@@ -261,6 +261,8 @@ static inline u8 *recvframe_pull(struct recv_frame *precvframe, int sz) 


	if (precvframe == NULL)

		return NULL;



	skb_pull(precvframe->pkt, sz);

	precvframe->rx_data += sz;

	if (precvframe->rx_data > precvframe->rx_tail) {

		precvframe->rx_data -= sz;
@@ -278,7 +280,7 @@ static inline u8 *recvframe_put(struct recv_frame *precvframe, int sz) 


	if (precvframe == NULL)

		return NULL;



	skb_put(precvframe->pkt, sz);

	precvframe->rx_tail += sz;



	if (precvframe->rx_tail > precvframe->pkt->end) {
@@ -299,6 +301,7 @@ static inline u8 *recvframe_pull_tail(struct recv_frame *precvframe, int sz) 


	if (precvframe == NULL)

		return NULL;

	skb_trim(precvframe->pkt, precvframe->pkt->len - sz);

	precvframe->rx_tail -= sz;

	if (precvframe->rx_tail < precvframe->rx_data) {

		precvframe->rx_tail += sz;