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perfmon: fix coverity warning

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Check for possible hash lookup failure to avoid NULL dereference.

Type: fix
Fixes: e15c999c30
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Change-Id: Ib806b4d124be26fbccf36fe9d19af1aec63f487b
This commit is contained in:
Klement Sekera
2021-11-16 12:32:59 +01:00
committed by Ole Tr�an
parent fc283bc040
commit cbc81eae6e
1 changed files with 9 additions and 2 deletions
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11
src/plugins/perfmon/intel/bundle/iio_bw.c
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@ -126,9 +126,16 @@ format_stack_socket (u8 *s, va_list *va)
}
uword *pu = hash_get (h, root_bus.bus);
e = pool_elt_at_index (p, (index_t) pu[0]);
if (pu)
{
e = pool_elt_at_index (p, (index_t) pu[0]);
s = format (s, "IIO%u/%u", e->socket_id, e->iio_unit_id);
s = format (s, "IIO%u/%u", e->socket_id, e->iio_unit_id);
}
else
{
s = format (s, "[ERR: hash lookup for bus '%u' failed]", root_bus.bus);
}
return s;
}