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USB: gadget eth: Fix calculate CRC32 in EEM

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CRC should be calculated for Ethernet frame, not for whole recievede EEM data.
This bug shows rarely, because in many times len == skb->len.

Signed-off-by: Jiri Pinkava <jiri.pinkava@vscht.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jiri Pinkava 2010-06-20 20:05:52 +02:00 committed by Greg Kroah-Hartman
parent 0d152de569
commit 03ab7461df
1 changed files with 1 additions and 2 deletions
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3
drivers/usb/gadget/f_eem.c
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@ -469,8 +469,7 @@ static int eem_unwrap(struct gether *port,
crc = get_unaligned_le32(skb->data + len
- ETH_FCS_LEN);
crc2 = ~crc32_le(~0,
skb->data,
skb->len - ETH_FCS_LEN);
skb->data, len - ETH_FCS_LEN);
} else {
crc = get_unaligned_be32(skb->data + len
- ETH_FCS_LEN);