media: cx18: make array mapping static, makes object smaller

Don't populate the array mapping on the stack but instead make it
static. Makes the object code smaller by 79 bytes.

Before:
   text	   data	    bss	    dec	    hex	filename
  27572	   2096	      0	  29668	   73e4	drivers/media/pci/cx18/cx18-ioctl.o

After:
   text	   data	    bss	    dec	    hex	filename
  27429	   2160	      0	  29589	   7395	drivers/media/pci/cx18/cx18-ioctl.o

(gcc version 9.2.1, amd64)

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/drivers/media/pci/cx18/cx18-ioctl.c b/drivers/media/pci/cx18/cx18-ioctl.c
index 85f3e73..fa57e12 100644 (file)
--- a/drivers/media/pci/cx18/cx18-ioctl.c
+++ b/drivers/media/pci/cx18/cx18-ioctl.c
@@ -664,7 +664,7 @@ static int _cx18_process_idx_data(struct cx18_buffer *buf,
        struct cx18_enc_idx_entry *e_buf;
 
        /* Frame type lookup: 1=I, 2=P, 4=B */
-       const int mapping[8] = {
+       static const int mapping[8] = {
                -1, V4L2_ENC_IDX_FRAME_I, V4L2_ENC_IDX_FRAME_P,
                -1, V4L2_ENC_IDX_FRAME_B, -1, -1, -1
        };