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perf unwind: Fix uninitialized variable

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The 'ret' variable may be uninitialized on error goto paths.

Fixes: dc2cf4ca86 ("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>
This commit is contained in:
Ian Rogers 2022-06-06 17:08:51 -07:00 committed by Arnaldo Carvalho de Melo
parent 354c6e071b
commit 1d98cdf7fa
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/unwind-libunwind-local.c
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@ -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)