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checkpatch: add __ro_after_init to known $Attribute 

__ro_after_init is a specific __attribute__ that checkpatch does currently
not understand.

Add it to the known $Attribute types so that code that uses variables
declared with __ro_after_init are not thought to be a modifier type.

This appears as a defect in checkpatch output of code like:

static bool trust_cpu __ro_after_init = IS_ENABLED(CONFIG_RANDOM_TRUST_CPU);
[...]
       if (trust_cpu && arch_init) {

where checkpatch reports:

ERROR: space prohibited after that '&&' (ctx:WxW)
	if (trust_cpu && arch_init) {

Link: http://lkml.kernel.org/r/0fa8a2cb83ade4c525e18261ecf6cfede3015983.camel@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Kees Cook <keescook@chromium.org>
Tested-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2018-09-04 15:46:20 -07:00 committed by Linus Torvalds
parent 62ec0d8c4f
commit c5967e989f
1 changed files with 1 additions and 0 deletions
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scripts/checkpatch.pl
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@ -380,6 +380,7 @@ our $Attribute = qr{
__noclone|
__deprecated|
__read_mostly|
__ro_after_init|
__kprobes|
$InitAttribute|
____cacheline_aligned|