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| author | Stephan Mueller <smueller@chronox.de> | 2017-08-10 16:40:03 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-08-22 15:03:27 +0800 |
| commit | fc628d5460223588ea5aff6e038655f2f910e2dd (patch) | |
| tree | 6a47aa4ee5b919cd09392099ba6cdc9f4b4f9d08 /crypto/rsa-pkcs1pad.c | |
| parent | 1bb32d90974ab4f5f20d6a636cef18a3bc2c97f1 (diff) | |
| download | linux-crypto-fc628d5460223588ea5aff6e038655f2f910e2dd.tar.gz linux-crypto-fc628d5460223588ea5aff6e038655f2f910e2dd.zip | |
crypto: af_alg - get_page upon reassignment to TX SGL
When a page is assigned to a TX SGL, call get_page to increment the
reference counter. It is possible that one page is referenced in
multiple SGLs:
- in the global TX SGL in case a previous af_alg_pull_tsgl only
reassigned parts of a page to a per-request TX SGL
- in the per-request TX SGL as assigned by af_alg_pull_tsgl
Note, multiple requests can be active at the same time whose TX SGLs all
point to different parts of the same page.
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
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