On 03/19/14 06:51, Johannes Berg wrote:
I'm confused.

On Tue, 2014-03-18 at 20:32 -0700, beh...@converseincode.com wrote:


        struct scatterlist assoc, pt, ct[2];
-       struct {
-               struct aead_request     req;
-               u8                      priv[crypto_aead_reqsize(tfm)];
-       } aead_req;
- memset(&aead_req, 0, sizeof(aead_req));
+       char aead_req_data[sizeof(struct aead_request) +
+               crypto_aead_reqsize(tfm)]
+               __aligned(__alignof__(struct aead_request));
This looks fine, though I'd argue the blank lines before/after it
shouldn't be there, and the indentation should be a bit different, but I
was willing to clean that up.
Will fix.

  int ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
                              u8 *data, size_t data_len, u8 *mic)
  {
        struct scatterlist assoc, pt, ct[2];
-       struct {
-               struct aead_request     req;
-               u8                      priv[crypto_aead_reqsize(tfm)];
-       } aead_req;
- memset(&aead_req, 0, sizeof(aead_req));
+       char aead_req_data[sizeof(struct aead_request) +
+                               crypto_aead_reqsize(tfm) +
+                               CRYPTO_MINALIGN] CRYPTO_MINALIGN_ATTR;
But why does the second instance use a completely different size/align?
Because I neglected to update it in both places. Sorry. Will fix.

Behan

--
Behan Webster
beh...@converseincode.com

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