X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=include%2Flinux%2Fn_r3964.h;h=90a803aa42e8cc1075e63dfc0bc17967d318f40f;hb=aba24888d9af19e0bd1c7e7344fd27841611d7a8;hp=5d0b2a1dee69c9814fe218407aa3bf381d577e23;hpb=e7d9facf0bab6d919342fea17c8cc0f65f8a0fe9;p=deliverable%2Flinux.git

diff --git a/include/linux/n_r3964.h b/include/linux/n_r3964.h
index 5d0b2a1dee69..90a803aa42e8 100644
--- a/include/linux/n_r3964.h
+++ b/include/linux/n_r3964.h
@@ -152,9 +152,6 @@ struct r3964_info {
 	unsigned char *rx_buf;            /* ring buffer */
 	unsigned char *tx_buf;
 
-	wait_queue_head_t read_wait;
-	//struct wait_queue *read_wait;
-
 	struct r3964_block_header *rx_first;
 	struct r3964_block_header *rx_last;
 	struct r3964_block_header *tx_first;
@@ -164,8 +161,9 @@ struct r3964_info {
 	unsigned char last_rx;
 	unsigned char bcc;
         unsigned int  blocks_in_rx_queue;
-	  
-	
+
+	struct mutex read_lock;		/* serialize r3964_read */
+
 	struct r3964_client_info *firstClient;
 	unsigned int state;
 	unsigned int flags;