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authorFrederic Weisbecker2009-10-18 01:09:09 +0200
committerFrederic Weisbecker2009-10-18 01:12:33 +0200
commit0f8f86c7bdd1c954fbe153af437a0d91a6c5721a (patch)
tree94a8d419a470a4f9852ca397bb9bbe48db92ff5c /drivers/net/usb/cdc_eem.c
parentMerge branch 'linus' into tracing/hw-breakpoints (diff)
parentperf tools: Move dereference after NULL test (diff)
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Merge commit 'perf/core' into perf/hw-breakpoint
Conflicts: kernel/Makefile kernel/trace/Makefile kernel/trace/trace.h samples/Makefile Merge reason: We need to be uptodate with the perf events development branch because we plan to rewrite the breakpoints API on top of perf events.
Diffstat (limited to 'drivers/net/usb/cdc_eem.c')
-rw-r--r--drivers/net/usb/cdc_eem.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c
index 45cebfb302cf..23300656c266 100644
--- a/drivers/net/usb/cdc_eem.c
+++ b/drivers/net/usb/cdc_eem.c
@@ -300,20 +300,23 @@ static int eem_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
return 0;
}
- crc = get_unaligned_le32(skb2->data
- + len - ETH_FCS_LEN);
- skb_trim(skb2, len - ETH_FCS_LEN);
-
/*
* The bmCRC helps to denote when the CRC field in
* the Ethernet frame contains a calculated CRC:
* bmCRC = 1 : CRC is calculated
* bmCRC = 0 : CRC = 0xDEADBEEF
*/
- if (header & BIT(14))
- crc2 = ~crc32_le(~0, skb2->data, skb2->len);
- else
+ if (header & BIT(14)) {
+ crc = get_unaligned_le32(skb2->data
+ + len - ETH_FCS_LEN);
+ crc2 = ~crc32_le(~0, skb2->data, skb2->len
+ - ETH_FCS_LEN);
+ } else {
+ crc = get_unaligned_be32(skb2->data
+ + len - ETH_FCS_LEN);
crc2 = 0xdeadbeef;
+ }
+ skb_trim(skb2, len - ETH_FCS_LEN);
if (is_last)
return crc == crc2;