For structure types defined in the same file or local header files, find top-level static structure declarations that have the following properties: 1. Never reassigned. 2. Address never taken 3. Not passed to a top-level macro call 4. No pointer or array-typed field passed to a function or stored in a variable. Declare structures having all of these properties as const.
Done using Coccinelle. Based on a suggestion by Joe Perches joe@perches.com.
Signed-off-by: Julia Lawall Julia.Lawall@lip6.fr
--- The semantic patch seems too long for a commit log, but is in the cover letter.
sound/pci/ctxfi/ctatc.c | 2 +- sound/pci/hda/patch_ca0132.c | 10 +++++----- sound/pci/riptide/riptide.c | 2 +- 3 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c index 977a598..908658a 100644 --- a/sound/pci/ctxfi/ctatc.c +++ b/sound/pci/ctxfi/ctatc.c @@ -1623,7 +1623,7 @@ static int atc_resume(struct ct_atc *atc) } #endif
-static struct ct_atc atc_preset = { +static const struct ct_atc atc_preset = { .map_audio_buffer = ct_map_audio_buffer, .unmap_audio_buffer = ct_unmap_audio_buffer, .pcm_playback_prepare = atc_pcm_playback_prepare, diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c index 9ceb2bc..ad06866 100644 --- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -4018,7 +4018,7 @@ static int ca0132_build_controls(struct hda_codec *codec) /* * PCM */ -static struct hda_pcm_stream ca0132_pcm_analog_playback = { +static const struct hda_pcm_stream ca0132_pcm_analog_playback = { .substreams = 1, .channels_min = 2, .channels_max = 6, @@ -4029,7 +4029,7 @@ static struct hda_pcm_stream ca0132_pcm_analog_playback = { }, };
-static struct hda_pcm_stream ca0132_pcm_analog_capture = { +static const struct hda_pcm_stream ca0132_pcm_analog_capture = { .substreams = 1, .channels_min = 2, .channels_max = 2, @@ -4040,7 +4040,7 @@ static struct hda_pcm_stream ca0132_pcm_analog_capture = { }, };
-static struct hda_pcm_stream ca0132_pcm_digital_playback = { +static const struct hda_pcm_stream ca0132_pcm_digital_playback = { .substreams = 1, .channels_min = 2, .channels_max = 2, @@ -4052,7 +4052,7 @@ static struct hda_pcm_stream ca0132_pcm_digital_playback = { }, };
-static struct hda_pcm_stream ca0132_pcm_digital_capture = { +static const struct hda_pcm_stream ca0132_pcm_digital_capture = { .substreams = 1, .channels_min = 2, .channels_max = 2, @@ -4614,7 +4614,7 @@ static void ca0132_free(struct hda_codec *codec) kfree(codec->spec); }
-static struct hda_codec_ops ca0132_patch_ops = { +static const struct hda_codec_ops ca0132_patch_ops = { .build_controls = ca0132_build_controls, .build_pcms = ca0132_build_pcms, .init = ca0132_init, diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c index ae41fcb..ada5f01 100644 --- a/sound/pci/riptide/riptide.c +++ b/sound/pci/riptide/riptide.c @@ -644,7 +644,7 @@ static struct lbuspath lbus_play_paths[] = { .mono = lbus_play_mono3, }, }; -static struct lbuspath lbus_rec_path = { +static const struct lbuspath lbus_rec_path = { .noconv = lbus_rec_noconv1, .stereo = lbus_rec_stereo1, .mono = lbus_rec_mono1,