diff options
author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2024-06-02 16:27:34 +0200 |
---|---|---|
committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-08-25 09:16:07 +0200 |
commit | cd7a060df5b7b03966af0f3474571bf85fadafaf (patch) | |
tree | e7366b41c32cdcbe55e2b9386c7e9282c214b3a7 /drivers/media | |
parent | c5a85ed88e043474161bbfe54002c89c1cb50ee2 (diff) |
media: venus: Constify struct dec_bufsize_ops and enc_bufsize_ops
"struct dec_bufsize_ops and "struct enc_bufsize_ops" are not modified in
this driver.
Constifying these structures moves some data to a read-only section, so
increase overall security.
On a x86_64, with allmodconfig:
Before:
text data bss dec hex filename
12494 822 0 13316 3404 drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.o
After:
text data bss dec hex filename
12766 566 0 13332 3414 drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Stanimir Varbanov <stanimir.k.varbanov@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c b/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c index f5a655973c08..6289166786ec 100644 --- a/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c +++ b/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c @@ -1063,51 +1063,51 @@ struct enc_bufsize_ops { u32 (*persist)(void); }; -static struct dec_bufsize_ops dec_h264_ops = { +static const struct dec_bufsize_ops dec_h264_ops = { .scratch = h264d_scratch_size, .scratch1 = h264d_scratch1_size, .persist1 = h264d_persist1_size, }; -static struct dec_bufsize_ops dec_h265_ops = { +static const struct dec_bufsize_ops dec_h265_ops = { .scratch = h265d_scratch_size, .scratch1 = h265d_scratch1_size, .persist1 = h265d_persist1_size, }; -static struct dec_bufsize_ops dec_vp8_ops = { +static const struct dec_bufsize_ops dec_vp8_ops = { .scratch = vpxd_scratch_size, .scratch1 = vp8d_scratch1_size, .persist1 = vp8d_persist1_size, }; -static struct dec_bufsize_ops dec_vp9_ops = { +static const struct dec_bufsize_ops dec_vp9_ops = { .scratch = vpxd_scratch_size, .scratch1 = vp9d_scratch1_size, .persist1 = vp9d_persist1_size, }; -static struct dec_bufsize_ops dec_mpeg2_ops = { +static const struct dec_bufsize_ops dec_mpeg2_ops = { .scratch = mpeg2d_scratch_size, .scratch1 = mpeg2d_scratch1_size, .persist1 = mpeg2d_persist1_size, }; -static struct enc_bufsize_ops enc_h264_ops = { +static const struct enc_bufsize_ops enc_h264_ops = { .scratch = h264e_scratch_size, .scratch1 = h264e_scratch1_size, .scratch2 = enc_scratch2_size, .persist = enc_persist_size, }; -static struct enc_bufsize_ops enc_h265_ops = { +static const struct enc_bufsize_ops enc_h265_ops = { .scratch = h265e_scratch_size, .scratch1 = h265e_scratch1_size, .scratch2 = enc_scratch2_size, .persist = enc_persist_size, }; -static struct enc_bufsize_ops enc_vp8_ops = { +static const struct enc_bufsize_ops enc_vp8_ops = { .scratch = vp8e_scratch_size, .scratch1 = vp8e_scratch1_size, .scratch2 = enc_scratch2_size, @@ -1186,7 +1186,7 @@ static int bufreq_dec(struct hfi_plat_buffers_params *params, u32 buftype, u32 codec = params->codec; u32 width = params->width, height = params->height, out_min_count; u32 out_width = params->out_width, out_height = params->out_height; - struct dec_bufsize_ops *dec_ops; + const struct dec_bufsize_ops *dec_ops; bool is_secondary_output = params->dec.is_secondary_output; bool is_interlaced = params->dec.is_interlaced; u32 max_mbs_per_frame = params->dec.max_mbs_per_frame; @@ -1260,7 +1260,7 @@ static int bufreq_enc(struct hfi_plat_buffers_params *params, u32 buftype, struct hfi_buffer_requirements *bufreq) { enum hfi_version version = params->version; - struct enc_bufsize_ops *enc_ops; + const struct enc_bufsize_ops *enc_ops; u32 width = params->width; u32 height = params->height; bool is_tenbit = params->enc.is_tenbit; |