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4367355dd9
When compiling with clang in certain configurations, an objtool warning appears: drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.o: warning: objtool: ipq806x_gmac_probe() falls through to next function phy_modes() This happens because the unreachable annotation in the third switch statement is not eliminated. The compiler should know that the first default case would prevent the second and third from being reached as the comment notes but sanitizer options can make it harder for the compiler to reason this out. Help the compiler out by eliminating the unreachable() annotation and unifying the default case error handling so that there is no objtool warning, the meaning of the code stays the same, and there is less duplication. Reported-by: Sami Tolvanen <samitolvanen@google.com> Tested-by: Sami Tolvanen <samitolvanen@google.com> Signed-off-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
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| mm | ||
| net | ||
| samples | ||
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| virt | ||
| .clang-format | ||
| .cocciconfig | ||
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| 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.