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Diffstat (limited to 'include/linux/n_r3964.h')
-rw-r--r--include/linux/n_r3964.h8
1 files changed, 3 insertions, 5 deletions
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;