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1ee00cc23c
[ Upstream commit 1d18ebcfd302a2005b83ae5f13df223894d19902 ]
When expr_parse_ctx is allocated by expr_ctx_new(),
expr_scanner_ctx->is_test isn't initialize, so it has garbage value.
this can affects the result of expr__parse() return when it parses
non-exist event literal according to garbage value.
Use calloc instead of malloc in expr_ctx_new() to fix this.
Fixes: 3340a08354 ("perf pmu-events: Fix testing with JEVENTS_ARCH=all")
Reviewed-by: Ian Rogers <irogers@google.com>
Reviewed-by: James Clark <james.clark@linaro.org>
Signed-off-by: Levi Yun <yeoreum.yun@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20241108143424.819126-1-yeoreum.yun@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.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.