synclink fix ldisc buffer argument

[karo-tx-linux.git] / drivers / char / pcmcia / synclink_cs.c

diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index b66eaa04f8cb5a99e5e6f8f082a974d616aa9b83..b2f35d78602572a35a1b8c4e1e5aea0dd8c16d2b 100644 (file)
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -210,7 +210,7 @@ typedef struct _mgslpc_info {
        char testing_irq;
        unsigned int init_error;        /* startup error (DIAGS)        */
 
-       char flag_buf[MAX_ASYNC_BUFFER_SIZE];
+       char *flag_buf;
        bool drop_rts_on_tx_done;
 
        struct  _input_signal_events    input_signal_events;
@@ -2674,6 +2674,14 @@ static int rx_alloc_buffers(MGSLPC_INFO *info)
        if (info->rx_buf == NULL)
                return -ENOMEM;
 
+       /* unused flag buffer to satisfy receive_buf calling interface */
+       info->flag_buf = kzalloc(info->max_frame_size, GFP_KERNEL);
+       if (!info->flag_buf) {
+               kfree(info->rx_buf);
+               info->rx_buf = NULL;
+               return -ENOMEM;
+       }
+       
        rx_reset_buffers(info);
        return 0;
 }
@@ -2682,6 +2690,8 @@ static void rx_free_buffers(MGSLPC_INFO *info)
 {
        kfree(info->rx_buf);
        info->rx_buf = NULL;
+       kfree(info->flag_buf);
+       info->flag_buf = NULL;
 }
 
 static int claim_resources(MGSLPC_INFO *info)