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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 10:33:18 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 10:33:18 -0800
commit59be2e04e50ac9947e4356c10099f49977f5f74d (patch)
tree56aa00a4499a1543da8728cb84b10bec5b211280 /drivers/net/can/mcp251x.c
parente69381b4175ba162229646f6753ff1d87c24d468 (diff)
parent503914cf4a4b5dbe3f844e0a92f412ae99fde70e (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (26 commits) net: sh_eth alignment fix for sh7724 using NET_IP_ALIGN V2 ixgbe: allow tx of pre-formatted vlan tagged packets ixgbe: Fix 82598 premature copper PHY link indicatation ixgbe: Fix tx_restart_queue/non_eop_desc statistics counters bcm63xx_enet: fix compilation failure after get_stats_count removal packet: dont call sleeping functions while holding rcu_read_lock() tcp: Revert per-route SACK/DSACK/TIMESTAMP changes. ipvs: zero usvc and udest netfilter: fix crashes in bridge netfilter caused by fragment jumps ipv6: reassembly: use seperate reassembly queues for conntrack and local delivery sky2: leave PCI config space writeable sky2: print Optima chip name x25: Update maintainer. ipvs: fix synchronization on connection close netfilter: xtables: document minimal required version drivers/net/bonding/: : use pr_fmt can: CAN_MCP251X should depend on HAS_DMA drivers/net/usb: Correct code taking the size of a pointer drivers/net/cpmac.c: Correct code taking the size of a pointer drivers/net/sfc: Correct code taking the size of a pointer ...
Diffstat (limited to 'drivers/net/can/mcp251x.c')
-rw-r--r--drivers/net/can/mcp251x.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/net/can/mcp251x.c b/drivers/net/can/mcp251x.c
index 78b1b69b292..9c5a1537939 100644
--- a/drivers/net/can/mcp251x.c
+++ b/drivers/net/can/mcp251x.c
@@ -403,9 +403,8 @@ static void mcp251x_hw_rx_frame(struct spi_device *spi, u8 *buf,
for (i = 1; i < RXBDAT_OFF; i++)
buf[i] = mcp251x_read_reg(spi, RXBCTRL(buf_idx) + i);
- len = buf[RXBDLC_OFF] & RXBDLC_LEN_MASK;
- if (len > 8)
- len = 8;
+
+ len = get_can_dlc(buf[RXBDLC_OFF] & RXBDLC_LEN_MASK);
for (; i < (RXBDAT_OFF + len); i++)
buf[i] = mcp251x_read_reg(spi, RXBCTRL(buf_idx) + i);
} else {
@@ -455,13 +454,7 @@ static void mcp251x_hw_rx(struct spi_device *spi, int buf_idx)
(buf[RXBSIDL_OFF] >> RXBSIDL_SHIFT);
}
/* Data length */
- frame->can_dlc = buf[RXBDLC_OFF] & RXBDLC_LEN_MASK;
- if (frame->can_dlc > 8) {
- dev_warn(&spi->dev, "invalid frame recevied\n");
- priv->net->stats.rx_errors++;
- dev_kfree_skb(skb);
- return;
- }
+ frame->can_dlc = get_can_dlc(buf[RXBDLC_OFF] & RXBDLC_LEN_MASK);
memcpy(frame->data, buf + RXBDAT_OFF, frame->can_dlc);
priv->net->stats.rx_packets++;