Commit-ID: 39f54862a935e14a448cbd68d6a6bef68d026dbe Gitweb: http://git.kernel.org/tip/39f54862a935e14a448cbd68d6a6bef68d026dbe Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Tue, 12 Jul 2016 11:05:26 -0300 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Tue, 12 Jul 2016 15:20:39 -0300
perf script python: Silence -Werror=maybe-uninitialized on gcc 5.3.0 Sounds like a compiler bug, but to silence it, initialize those variables to NULL. Noticed on: Target: x86_64-alpine-linux-musl Configured with: /home/buildozer/aports/main/gcc/src/gcc-5.3.0/configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --build=x86_64-alpine-linux-musl --host=x86_64-alpine-linux-musl --target=x86_64-alpine-linux-musl --with-pkgversion='Alpine 5.3.0' --enable-checking=release --disable-fixed-point --disable-libstdcxx-pch --disable-multilib --disable-nls --disable-werror --disable-symvers --enable-__cxa_atexit --enable-esp --enable-cloog-backend --enable-languages=c,c++,objc,java,fortran,ada --disable-libssp --disable-libmudflap --disable-libsanitizer --enable-shared --enable-threads --enable-tls --with-system-zlib Thread model: posix gcc version 5.3.0 (Alpine 5.3.0) Cc: Adrian Hunter <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Wang Nan <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/util/scripting-engines/trace-event-python.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index ff13470..6ac6b7a 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -273,7 +273,7 @@ static PyObject *get_field_numeric_entry(struct event_format *event, struct format_field *field, void *data) { bool is_array = field->flags & FIELD_IS_ARRAY; - PyObject *obj, *list = NULL; + PyObject *obj = NULL, *list = NULL; unsigned long long val; unsigned int item_size, n_items, i; @@ -392,7 +392,7 @@ static void python_process_tracepoint(struct perf_sample *sample, struct addr_location *al) { struct event_format *event = evsel->tp_format; - PyObject *handler, *context, *t, *obj, *callchain; + PyObject *handler, *context, *t, *obj = NULL, *callchain; PyObject *dict = NULL; static char handler_name[256]; struct format_field *field;
