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commitf7cf224246upstream. Building dasd_eckd.o with latest clang reveals this bug: CC drivers/s390/block/dasd_eckd.o drivers/s390/block/dasd_eckd.c:1082:3: warning: 'snprintf' will always be truncated; specified size is 1, but format string expands to at least 11 [-Wfortify-source] 1082 | snprintf(print_uid, sizeof(*print_uid), | ^ drivers/s390/block/dasd_eckd.c:1087:3: warning: 'snprintf' will always be truncated; specified size is 1, but format string expands to at least 10 [-Wfortify-source] 1087 | snprintf(print_uid, sizeof(*print_uid), | ^ Fix this by moving and using the existing UID_STRLEN for the arrays that are being written to. Also rename UID_STRLEN to DASD_UID_STRLEN to clarify its scope. Fixes:23596961b4("s390/dasd: split up dasd_eckd_read_conf") Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Tested-by: Nick Desaulniers <ndesaulniers@google.com> # build Reported-by: Nathan Chancellor <nathan@kernel.org> Closes: https://github.com/ClangBuiltLinux/linux/issues/1923 Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Link: https://lore.kernel.org/r/20230828153142.2843753-2-hca@linux.ibm.com Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.