This fixes GCC 4.9.3 warnings (Linux/mipsel):
dwarf/Gfind_proc_info-lsb.c: In function 'locate_debug_info':
dwarf/Gfind_proc_info-lsb.c:244:23: warning: 'mi.buf_end' may be used
uninitialized in this function [-Wmaybe-uninitialized]
struct map_iterator mi;
^
dwarf/Gfind_proc_info-lsb.c:244:23: warning: 'mi.buf' may be used
uninitialized in this function [-Wmaybe-uninitialized]
In file included from dwarf/Gfind_proc_info-lsb.c:46:0:
./os-linux.h:292:27: warning: 'mi.buf_size' may be used uninitialized in
this function [-Wmaybe-uninitialized]
munmap (mi->buf_end - mi->buf_size, mi->buf_size);
^
dwarf/Gfind_proc_info-lsb.c:244:23: note: 'mi.buf_size' was declared here
struct map_iterator mi;
^
---
src/dwarf/Gfind_proc_info-lsb.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/dwarf/Gfind_proc_info-lsb.c
b/src/dwarf/Gfind_proc_info-lsb.c
index 6e1f4c3..0996e7f 100644
--- a/src/dwarf/Gfind_proc_info-lsb.c
+++ b/src/dwarf/Gfind_proc_info-lsb.c
@@ -246,7 +246,9 @@ find_binary_for_address (unw_word_t ip, char *name,
size_t name_size)
int pid = getpid ();
unsigned long segbase, mapoff, hi;
- maps_init (&mi, pid);
+ if (maps_init (&mi, pid) != 0)
+ return 1;
+
while (maps_next (&mi, &segbase, &hi, &mapoff))
if (ip >= segbase && ip < hi)
{
--
1.9.1
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