The RST cpp:function handler is very pedantic: it doesn't allow any
macros like __user on it:
Documentation/media/kapi/dtv-core.rst:28: WARNING: Error when parsing function declaration.
If the function has no return type:
Error in declarator or parameters and qualifiers
Invalid definition: Expecting "(" in parameters_and_qualifiers. [error at 8]
ssize_t dvb_ringbuffer_pkt_read_user (struct dvb_ringbuffer * rbuf, size_t idx, int offset, u8 __user * buf, size_t len)
--------^
If the function has a return type:
Error in declarator or parameters and qualifiers
If pointer to member declarator:
Invalid definition: Expected '::' in pointer to member (function). [error at 37]
ssize_t dvb_ringbuffer_pkt_read_user (struct dvb_ringbuffer * rbuf, size_t idx, int offset, u8 __user * buf, size_t len)
-------------------------------------^
If declarator-id:
Invalid definition: Expecting "," or ")" in parameters_and_qualifiers, got "*". [error at 102]
ssize_t dvb_ringbuffer_pkt_read_user (struct dvb_ringbuffer * rbuf, size_t idx, int offset, u8 __user * buf, size_t len)
------------------------------------------------------------------------------------------------------^
So, we have to remove it from the function prototype.
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
---
scripts/kernel-doc | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 41eade332307..4394746cc1aa 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1848,6 +1848,10 @@ sub output_function_rst(%) {
}
$count++;
$type = $args{'parametertypes'}{$parameter};
+
+ # RST doesn't like address_space tags at function prototypes
+ $type =~ s/__(user|kernel|iomem|percpu|pmem|rcu)\s*//;
+
if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) {
# pointer-to-function
print $1 . $parameter . ") (" . $2;
--
2.7.4
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