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crypto: img-hash - shift wrapping bug in img_hash_hw_init()

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"hdev->req->nbytes" is an unsigned int so we so we lose the upper 3 bits
to the shift wrap bug.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dan Carpenter 2015-03-23 14:03:55 +03:00 committed by Herbert Xu
parent 900831a4d9
commit a83034f5cb
1 changed files with 1 additions and 1 deletions
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2
drivers/crypto/img-hash.c
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@ -464,7 +464,7 @@ static int img_hash_hw_init(struct img_hash_dev *hdev)
img_hash_write(hdev, CR_RESET, CR_RESET_UNSET);
img_hash_write(hdev, CR_INTENAB, CR_INT_NEW_RESULTS_SET);
nbits = (hdev->req->nbytes << 3);
nbits = (u64)hdev->req->nbytes << 3;
u = nbits >> 32;
l = nbits;
img_hash_write(hdev, CR_MESSAGE_LENGTH_H, u);