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Commit 155b3a13 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
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perf symbols: Fix crash in elf_section_by_name 



Fixing crash in elf_section_by_name function caused by missing section
name in elf binary.

Reported-by: default avatarAlbert Strasheim <albert@cloudflare.com>
Signed-off-by: default avatarJiri Olsa <jolsa@redhat.com>
Cc: Albert Strasheim <albert@cloudflare.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1393767127-599-1-git-send-email-jolsa@redhat.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 02c5bb4a

tools/perf/util/symbol-elf.c

+3 −3
Original line number Diff line number Diff line
@@ -151,15 +151,15 @@ Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, 


		gelf_getshdr(sec, shp);

		str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name);

		if (!strcmp(name, str)) {

		if (str && !strcmp(name, str)) {

			if (idx)

				*idx = cnt;

			break;

			return sec;

		}

		++cnt;

	}



	return sec;

	return NULL;

}



#define elf_section__for_each_rel(reldata, pos, pos_mem, idx, nr_entries) \