---

yaml --- r: 264338 b: refs/heads/master c: a3a4bfd h: refs/heads/master v: v3
git-mirror · Oct 10, 2011 · 6f2f28f · 6f2f28f
1 parent bcf9edb
commit 6f2f28f
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Showing 2 changed files with 9 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cdaf557034bb4397b2c86bb424de1788b134f610
+refs/heads/master: a3a4bfde8a271df7ee56fcf31b8d907d50e7f216
diff --git a/trunk/drivers/net/can/mscan/mscan.c b/trunk/drivers/net/can/mscan/mscan.c
@@ -261,11 +261,13 @@ static netdev_tx_t mscan_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		void __iomem *data = &regs->tx.dsr1_0;
 		u16 *payload = (u16 *)frame->data;
 
-		/* It is safe to write into dsr[dlc+1] */
-		for (i = 0; i < (frame->can_dlc + 1) / 2; i++) {
+		for (i = 0; i < frame->can_dlc / 2; i++) {
 			out_be16(data, *payload++);
 			data += 2 + _MSCAN_RESERVED_DSR_SIZE;
 		}
+		/* write remaining byte if necessary */
+		if (frame->can_dlc & 1)
+			out_8(data, frame->data[frame->can_dlc - 1]);
 	}
 
 	out_8(&regs->tx.dlr, frame->can_dlc);
@@ -330,10 +332,13 @@ static void mscan_get_rx_frame(struct net_device *dev, struct can_frame *frame)
 		void __iomem *data = &regs->rx.dsr1_0;
 		u16 *payload = (u16 *)frame->data;
 
-		for (i = 0; i < (frame->can_dlc + 1) / 2; i++) {
+		for (i = 0; i < frame->can_dlc / 2; i++) {
 			*payload++ = in_be16(data);
 			data += 2 + _MSCAN_RESERVED_DSR_SIZE;
 		}
+		/* read remaining byte if necessary */
+		if (frame->can_dlc & 1)
+			frame->data[frame->can_dlc - 1] = in_8(data);
 	}
 
 	out_8(&regs->canrflg, MSCAN_RXF);