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authorSteven Rostedt <srostedt@redhat.com>2009-08-06 19:53:18 -0400
committerIngo Molnar <mingo@elte.hu>2009-08-07 08:50:29 +0200
commit7dbdee2e9a2ac42ea5135801bcc9d1a8e3f672aa (patch)
treedf94010b7388d14432269c0dfa958b9ca4b86a4b /scripts
parent469535a598f28c13a2a42037e1b778f671af1d16 (diff)
tracing: Fix recordmcount.pl to handle sections with only weak functions
Roland Dreier found that a section that contained only a weak function in one of the staging drivers and this caused recordmcount.pl to spit out a warning and fail. Although it is strange that a driver would have a weak function, and this function only be used in one place, it should not be something to make recordmcount.pl fail. This patch fixes the issue in a simple manner: if only weak functions exist in a section, then that section will not be recorded. Reported-by: Roland Dreier <rdreier@cisco.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/recordmcount.pl4
1 files changed, 2 insertions, 2 deletions
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 4889c44d71b..911ba7ffab8 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -393,7 +393,7 @@ while (<IN>) {
$read_function = 0;
}
# print out any recorded offsets
- update_funcs() if ($text_found);
+ update_funcs() if (defined($ref_func));
# reset all markers and arrays
$text_found = 0;
@@ -444,7 +444,7 @@ while (<IN>) {
}
# dump out anymore offsets that may have been found
-update_funcs() if ($text_found);
+update_funcs() if (defined($ref_func));
# If we did not find any mcount callers, we are done (do nothing).
if (!$opened) {