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989e0cdc0f
qnx6_checkroot() had been using weirdly spelled initializer - it needed
to initialize 3-element arrays of char and it used NUL-padded
3-character string literals (i.e. 4-element initializers, with
completely pointless zeroes at the end).
That had been spotted by gcc-15[*]; prior to that gcc quietly dropped
the 4th element of initializers.
However, none of that had been needed in the first place - all this
array is used for is checking that the first directory entry in root
directory is "." and the second - "..". The check had been expressed as
a loop, using that match_root[] array. Since there is no chance that we
ever want to extend that list of entries, the entire thing is much too
fancy for its own good; what we need is just a couple of explicit
memcmp() and that's it.
[*]: fs/qnx6/inode.c: In function ‘qnx6_checkroot’:
fs/qnx6/inode.c:182:41: error: initializer-string for array of ‘char’ is too long [-Werror=unterminated-string-initialization]
182 | static char match_root[2][3] = {".\0\0", "..\0"};
| ^~~~~~~
fs/qnx6/inode.c:182:50: error: initializer-string for array of ‘char’ is too long [-Werror=unterminated-string-initialization]
182 | static char match_root[2][3] = {".\0\0", "..\0"};
| ^~~~~~
Signed-off-by: Brahmajit Das <brahmajit.xyz@gmail.com>
Link: https://lore.kernel.org/r/20241004195132.1393968-1-brahmajit.xyz@gmail.com
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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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 reStructuredText 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.