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2e11cc1ab7
Use const for the arrays that are used as "read only". Also, modify the prototype of vnt_control_out_blocks() function to use a pointer to a const type. The vnt_vt3184_al2230 array can't be converted to const as it's modified later. Then in the vnt_vt3184_init() function use two types of pointers (to const type and to no const type) to avoid the compiler warning: assignment discards 'const' qualifiers from pointer target type This way decrease the .data section and increase the .rodata section limiting the surface attack. Before this change: ------------------- drivers/staging/vt6656/baseband.o : section size addr .text 1278 0 .data 576 0 .bss 0 0 .rodata 319 0 .comment 45 0 .note.GNU-stack 0 0 .note.gnu.property 32 0 Total 2250 After this change: ------------------ drivers/staging/vt6656/baseband.o : section size addr .text 1278 0 .data 256 0 .bss 0 0 .rodata 640 0 .comment 45 0 .note.GNU-stack 0 0 .note.gnu.property 32 0 Total 2251 Signed-off-by: Oscar Carter <oscar.carter@gmx.com> Link: https://lore.kernel.org/r/20200504171414.11307-1-oscar.carter@gmx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| 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.