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caif-hsi: Added sanity check for length of CAIF frames

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Added sanity check for length of CAIF frames, and tear down of
CAIF link-layer device upon protocol error.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Martensson
2011-10-13 11:29:28 +00:00
committed by David S. Miller
parent 28bd204942
commit 5bbed92d3d
2 changed files with 53 additions and 32 deletions
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include/net/caif/caif_hsi.h
+4 -2
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@@ -52,8 +52,9 @@ struct cfhsi_desc {
/*
* Maximum bytes transferred in one transfer.
*/
/* TODO: 4096 is temporary... */
#define CFHSI_MAX_PAYLOAD_SZ (CFHSI_MAX_PKTS * 4096)
#define CFHSI_MAX_CAIF_FRAME_SZ 4096
#define CFHSI_MAX_PAYLOAD_SZ (CFHSI_MAX_PKTS * CFHSI_MAX_CAIF_FRAME_SZ)
/* Size of the complete HSI TX buffer. */
#define CFHSI_BUF_SZ_TX (CFHSI_DESC_SZ + CFHSI_MAX_PAYLOAD_SZ)
@@ -143,6 +144,7 @@ struct cfhsi {
struct list_head list;
struct work_struct wake_up_work;
struct work_struct wake_down_work;
struct work_struct out_of_sync_work;
struct workqueue_struct *wq;
wait_queue_head_t wake_up_wait;
wait_queue_head_t wake_down_wait;