Module: xenomai-2.6
Branch: master
Commit: 7fcc04ce4bca162bc3367c4f04b8bd96edc02ca9
URL:
http://git.xenomai.org/?p=xenomai-2.6.git;a=commit;h=7fcc04ce4bca162bc3367c4f04b8bd96edc02ca9
Author: Gilles Chanteperdrix <gilles.chanteperd...@xenomai.org>
Date: Wed Jan 29 12:57:24 2014 +0100
drivers/flexcan: avoid unaligned access
---
ksrc/drivers/can/rtcan_flexcan.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/ksrc/drivers/can/rtcan_flexcan.c b/ksrc/drivers/can/rtcan_flexcan.c
index 8f0e8d1..1674b73 100644
--- a/ksrc/drivers/can/rtcan_flexcan.c
+++ b/ksrc/drivers/can/rtcan_flexcan.c
@@ -38,6 +38,7 @@
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
#include <linux/pinctrl/consumer.h>
#endif
+#include <asm/unaligned.h>
#include <rtdm/rtdm_driver.h>
@@ -497,11 +498,9 @@ static void flexcan_rx_interrupt(struct rtcan_device *dev,
cf->can_id |= CAN_RTR_FLAG;
skb->rb_frame_size = EMPTY_RB_FRAME_SIZE;
} else {
- skb->rb_frame_size = EMPTY_RB_FRAME_SIZE + cf->can_dlc ;
- *(__be32 *)(cf->data + 0) =
- cpu_to_be32(flexcan_read(&mb->data[0]));
- *(__be32 *)(cf->data + 4) =
- cpu_to_be32(flexcan_read(&mb->data[1]));
+ skb->rb_frame_size = EMPTY_RB_FRAME_SIZE + cf->can_dlc;
+ put_unaligned_be32(flexcan_read(&mb->data[0]), cf->data + 0);
+ put_unaligned_be32(flexcan_read(&mb->data[1]), cf->data + 4);
}
/* Store the interface index */
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