diff options
| -rw-r--r-- | drivers/tty/n_hdlc.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c index 98361acd3053..27b506bf03ce 100644 --- a/drivers/tty/n_hdlc.c +++ b/drivers/tty/n_hdlc.c @@ -115,11 +115,9 @@ struct n_hdlc_buf { struct list_head list_item; int count; - char buf[1]; + char buf[]; }; -#define N_HDLC_BUF_SIZE (sizeof(struct n_hdlc_buf) + maxframe) - struct n_hdlc_buf_list { struct list_head list; int count; @@ -524,7 +522,8 @@ static void n_hdlc_tty_receive(struct tty_struct *tty, const __u8 *data, /* no buffers in free list, attempt to allocate another rx buffer */ /* unless the maximum count has been reached */ if (n_hdlc->rx_buf_list.count < MAX_RX_BUF_COUNT) - buf = kmalloc(N_HDLC_BUF_SIZE, GFP_ATOMIC); + buf = kmalloc(struct_size(buf, buf, maxframe), + GFP_ATOMIC); } if (!buf) { @@ -853,7 +852,7 @@ static struct n_hdlc *n_hdlc_alloc(void) /* allocate free rx buffer list */ for(i=0;i<DEFAULT_RX_BUF_COUNT;i++) { - buf = kmalloc(N_HDLC_BUF_SIZE, GFP_KERNEL); + buf = kmalloc(struct_size(buf, buf, maxframe), GFP_KERNEL); if (buf) n_hdlc_buf_put(&n_hdlc->rx_free_buf_list,buf); else if (debuglevel >= DEBUG_LEVEL_INFO) @@ -862,7 +861,7 @@ static struct n_hdlc *n_hdlc_alloc(void) /* allocate free tx buffer list */ for(i=0;i<DEFAULT_TX_BUF_COUNT;i++) { - buf = kmalloc(N_HDLC_BUF_SIZE, GFP_KERNEL); + buf = kmalloc(struct_size(buf, buf, maxframe), GFP_KERNEL); if (buf) n_hdlc_buf_put(&n_hdlc->tx_free_buf_list,buf); else if (debuglevel >= DEBUG_LEVEL_INFO) |