3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Daniel Santos <daniel.santos@xxxxxxxxx>
commit 654784284430bf2739985914b65e09c7c35a7273 upstream.
Prior to this patch the following code breaks:
/**
* multiline_example - this breaks kernel-doc
*/
#define multiline_example( \
myparam)
Producing this error:
Error(somefile.h:983): cannot understand prototype: 'multiline_example( \ '
This patch fixes the issue by appending all lines ending in a blackslash
(optionally followed by whitespace), removing the backslash and any
whitespace after it prior to appending (just like the C pre-processor
would).
This fixes a break in kerel-doc introduced by the additions to rbtree.h.
Signed-off-by: Daniel Santos <daniel.santos@xxxxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
Cc: Michal Marek <mmarek@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
scripts/kernel-doc | 3 +++
1 file changed, 3 insertions(+)
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -2045,6 +2045,9 @@ sub process_file($) {
$section_counter = 0;
while (<IN>) {
+ while (s/\\\s*$//) {
+ $_ .= <IN>;
+ }
if ($state == 0) {
if (/$doc_start/o) {
$state = 1; # next line is always the function name
--
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