]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
crypto: qat - Prevent dma mapping zero length assoc data
authorTadeusz Struk <tadeusz.struk@intel.com>
Tue, 14 Oct 2014 01:24:26 +0000 (18:24 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 21 Nov 2014 17:23:09 +0000 (09:23 -0800)
commit63c18e716606448a3db6535e5408b34b447a92a9
tree3038f1faaa0980be196a785aee6429438b852cce
parent28baa777a5117c4f3513507a109997a205554e5b
crypto: qat - Prevent dma mapping zero length assoc data

commit 923a6e5e5f171317ac8bb462ac4b814fa7880d3c upstream.

Do not attempt to dma map associated data if it is zero length.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Tested-by: Nikolay Aleksandrov <nikolay@redhat.com>
Reviewed-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/crypto/qat/qat_common/qat_algs.c