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scripts/kernel-doc: handle struct member __aligned without numbers

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Commit ef5da59f12 ("scripts/kernel-doc: handle struct member
__aligned") permits "char something [123] __aligned(8);".

However, by using \d we constraint ourselves with integers.  This is not
always the case.  In fact, it might be better to do char something[123]
__aligned(sizeof(u16));

For example, With wireless_dev defining:

    u8 address[ETH_ALEN] __aligned(sizeof(u16));

With \d, scripts/kernel-doc erroneously says:

    Warning(include/net/cfg80211.h:2618): Excess struct/union/enum/typedef member 'address' description in 'wireless_dev'

This is because the regex __aligned\s*\(\d+\) fails match at \d as
sizeof is used.

So replace \d with .  to indicate "something" in kernel-doc to ignore
__aligned(SOMETHING) in structs.  With this change, we can use integers
OR sizeof() or macros as we please.

Signed-off-by: Nishanth Menon <nm@ti.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nishanth Menon 2013-02-27 17:02:46 -08:00 committed by Linus Torvalds
parent ff6a6da60b
commit 9dc30918b2
1 changed files with 1 additions and 1 deletions
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scripts/kernel-doc
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@ -1750,7 +1750,7 @@ sub dump_struct($$) {
# strip kmemcheck_bitfield_{begin,end}.*;
$members =~ s/kmemcheck_bitfield_.*?;//gos;
# strip attributes
$members =~ s/__aligned\s*\(\d+\)//gos;
$members =~ s/__aligned\s*\(.+\)//gos;
create_parameterlist($members, ';', $file);
check_sections($file, $declaration_name, "struct", $sectcheck, $struct_actual, $nested);