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Currently the "opts" variable is not zero-ed and we keep on adding to it, ending up with: $ check-headers.sh 2>&1 + opts=' "-B"' + opts=' "-B" "-B"' + opts=' "-B" "-B" "-B"' + opts=' "-B" "-B" "-B" "-B"' + opts=' "-B" "-B" "-B" "-B" "-B"' + opts=' "-B" "-B" "-B" "-B" "-B" "-B"' Fix this by initializing it in the check() function, right before starting the loop. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180321140515.2252-1-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.