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authorRandy Dunlap <randy.dunlap@oracle.com>2010-03-10 23:22:02 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-12 23:52:35 (GMT)
commit4c98ecaf350737cd424eb94140e9e9f1a3408956 (patch)
treed89816372c3398dc496e2970a164d87b211049f6 /scripts
parentb6b6e2b112cafcd63bdbebbffe97279f41e5ca62 (diff)
scripts/kernel-doc: fix empty function description section
scripts/kernel-doc mishandles a function that has a multi-line function short description and no function parameters. The observed problem was from drivers/scsi/scsi_netlink.c: /** * scsi_netlink_init - Called by SCSI subsystem to intialize * the SCSI transport netlink interface * **/ kernel-doc treated the " * " line as a Description: section with only a newline character in the Description contents. This caused output_highlight() to complain: "output_highlight got called with no args?", plus produce a perl call stack backtrace. The fix is just to ignore Description sections if they only contain "\n". Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/kernel-doc2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 208ad3b..c7865c3 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -2103,7 +2103,7 @@ sub process_file($) {
$section = $newsection;
} elsif (/$doc_end/) {
- if ($contents ne "") {
+ if (($contents ne "") && ($contents ne "\n")) {
dump_section($file, $section, xml_escape($contents));
$section = $section_default;
$contents = "";

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