perf symbols: Handle NULL dso in dso__name_len
authorDavid Miller <davem@davemloft.net>
Sun, 25 Mar 2012 20:28:22 +0000 (16:28 -0400)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Tue, 27 Mar 2012 14:00:58 +0000 (11:00 -0300)
commit1e2dd2f73afdc810cc7400b7036232fbdc416eeb
tree3f525b57114571616b3fda2fe80d9a2b4709849d
parent3738d40ec51317eb8390218a33513ca35656f107
perf symbols: Handle NULL dso in dso__name_len

We should use "[unknown]" in this case, in concert with the code in
_hist_entry__dso_snprintf().

Otherwise we'll crash when recomputing the histogram column lengths in
hists__calc_col_len().

Signed-off-by: David S. Miller <davem@davemloft.net>
Link: http://lkml.kernel.org/r/20120325.162822.2267799792062571623.davem@davemloft.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/symbol.c