Re: [PATCH] nfc: fix get_unaligned_...() misuses

From: kbuild test robot
Date: Fri Apr 07 2017 - 03:29:19 EST


Hi Al,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.11-rc5 next-20170406]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Al-Viro/nfc-fix-get_unaligned_-misuses/20170407-123722
config: x86_64-randconfig-a0-04071419 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

>> drivers/nfc//nfcmrvl/fw_dnld.c:20:29: error: linux/unaligned.h: No such file or directory
drivers/nfc//nfcmrvl/fw_dnld.c: In function 'process_state_fw_dnld':
>> drivers/nfc//nfcmrvl/fw_dnld.c:284: error: implicit declaration of function 'get_unaligned_le16'

vim +/get_unaligned_le16 +284 drivers/nfc//nfcmrvl/fw_dnld.c

278 skb_pull(skb, 3);
279 if (skb->data[0] != HELPER_CMD_PACKET_FORMAT || skb->len != 5) {
280 nfc_err(priv->dev, "bad command");
281 return -EINVAL;
282 }
283 skb_pull(skb, 1);
> 284 len = get_unaligned_le16(skb->data);
285 skb_pull(skb, 2);
286 comp_len = get_unaligned_le16(skb->data);
287 memcpy(&comp_len, skb->data, 2);

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