diff options
| author | Jiri Pinkava <jiri.pinkava@vscht.cz> | 2010-06-20 22:05:52 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-06-30 19:16:06 +0400 |
| commit | 03ab7461df3c74c9418c3f5485ea1127ece1ff79 (patch) | |
| tree | d0394ffeeb19872c467ef24e2866818afe0acfb8 | |
| parent | 0d152de56938361fa2b960db67657b20cdaa6d84 (diff) | |
| download | linux-03ab7461df3c74c9418c3f5485ea1127ece1ff79.tar.xz | |
USB: gadget eth: Fix calculate CRC32 in EEM
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>
| -rw-r--r-- | drivers/usb/gadget/f_eem.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/usb/gadget/f_eem.c b/drivers/usb/gadget/f_eem.c index 38226e9a371d..95dd4662d6a8 100644 --- a/drivers/usb/gadget/f_eem.c +++ b/drivers/usb/gadget/f_eem.c @@ -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); |