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When mapping the input and output parameters, the implementations of RSA
and DH pass to the function dma_map_single() a pointer to the first
member of the structure they want to map instead of a pointer to the
actual structure.
This results in set of warnings reported by the static analyser Smatch:
drivers/crypto/qat/qat_common/qat_asym_algs.c:335 qat_dh_compute_value() error: dma_map_single_attrs() '&qat_req->in.dh.in.b' too small (8 vs 64)
drivers/crypto/qat/qat_common/qat_asym_algs.c:341 qat_dh_compute_value() error: dma_map_single_attrs() '&qat_req->out.dh.r' too small (8 vs 64)
drivers/crypto/qat/qat_common/qat_asym_algs.c:732 qat_rsa_enc() error: dma_map_single_attrs() '&qat_req->in.rsa.enc.m' too small (8 vs 64)
drivers/crypto/qat/qat_common/qat_asym_algs.c:738 qat_rsa_enc() error: dma_map_single_attrs() '&qat_req->out.rsa.enc.c' too small (8 vs 64)
drivers/crypto/qat/qat_common/qat_asym_algs.c:878 qat_rsa_dec() error: dma_map_single_attrs() '&qat_req->in.rsa.dec.c' too small (8 vs 64)
drivers/crypto/qat/qat_common/qat_asym_algs.c:884 qat_rsa_dec() error: dma_map_single_attrs() '&qat_req->out.rsa.dec.m' too small (8 vs 64)
Where the address of the first element of a structure is used as an
input for the function dma_map_single(), replace it with the address of
the structure. This fix does not introduce any functional change as the
addresses are the same.
Signed-off-by: Damian Muszynski <damian.muszynski@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Adam Guerin <adam.guerin@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
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| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.