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| author |   Ian Rogers <irogers@google.com> | 2022-06-06 17:08:51 -0700 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-06-19 10:41:43 -0300 |
| commit | 1d98cdf7fa2bc6e8063c0a692a1c091d8ebe3a75 (patch) | |
| tree | f7df771bc24ed8f366c657cf7114009e67f4715d /tools/perf/util/unwind-libunwind-local.c | |
| parent | Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 (diff) | |
| download | linux-dev-1d98cdf7fa2bc6e8063c0a692a1c091d8ebe3a75.tar.xz linux-dev-1d98cdf7fa2bc6e8063c0a692a1c091d8ebe3a75.zip | |
perf unwind: Fix uninitialized variable
The 'ret' variable may be uninitialized on error goto paths.
Fixes: dc2cf4ca866f5715 ("perf unwind: Fix segbase for ld.lld linked objects")
Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Reviewed-by: Fangrui Song <maskray@google.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64)
Cc: Fangrui Song <maskray@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: llvm@lists.linux.dev
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sebastian Ullrich <sebasti@nullri.ch>
Link: https://lore.kernel.org/r/20220607000851.39798-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/unwind-libunwind-local.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c index 37622699c91a..6e5b8cce47bf 100644 --- a/tools/perf/util/unwind-libunwind-local.c +++ b/tools/perf/util/unwind-libunwind-local.c @@ -174,7 +174,7 @@ static int elf_section_address_and_offset(int fd, const char *name, u64 *address Elf *elf; GElf_Ehdr ehdr; GElf_Shdr shdr; - int ret; + int ret = -1; elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); if (elf == NULL) |