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![]() Check for snd_pcm_ops structures that are only passed as the third argument to the function snd_pcm_set_ops. As this argument is constant, so snd_pcm_ops structures having this property can also be made constant. Done using coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct snd_pcm_ops i@p = {...}; @ok1@ identifier r1.i; position p; expression e1,e2; @@ snd_pcm_set_ops(e1,e2,&i@p) @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct snd_pcm_ops i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct snd_pcm_ops i; File size before: text data bss dec hex filename 4963 192 16 5171 1433 drivers/staging/most/aim-sound/sound.o File size after: text data bss dec hex filename 5075 64 16 5155 1423 drivers/staging/most/aim-sound/sound.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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sound.c |