]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
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)
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

index d9e995bf8b6f6d7bfacb88a077c96831ff108c94..c0a028c3ebaf35905e99e69f4cef76e5e343f44f 100644 (file)
@@ -50,6 +50,8 @@ struct symbol_conf symbol_conf = {
 
 int dso__name_len(const struct dso *dso)
 {
+       if (!dso)
+               return strlen("[unknown]");
        if (verbose)
                return dso->long_name_len;