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authorStephan Mueller <smueller@chronox.de>2017-08-10 16:40:03 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2017-08-22 15:03:27 +0800
commit2d45a7e89833f88b38112292ff227af437f81f2f (patch)
treeeccc3beb0adf527562a4ea61d5aafccea919c24a /drivers/md
parent32e67b9af077e905388f1746bf429ea0c39b6917 (diff)
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 'drivers/md')
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