Re: [PATCH] video: offb: annotate implicit fall throughs

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On 1/14/19 2:40 PM, Mathieu Malaterre wrote:
There is a plan to build the kernel with -Wimplicit-fallthrough and
these places in the code produced warnings (W=1). Fix them up.

This commit remove the following warnings:

   drivers/video/fbdev/offb.c:211:5: warning: this statement may fall through [-Wimplicit-fallthrough=]
   drivers/video/fbdev/offb.c:142:3: warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Mathieu Malaterre <malat@xxxxxxxxxx>

Acked-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>

Thanks
--
Gustavo

---
  drivers/video/fbdev/offb.c | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/drivers/video/fbdev/offb.c b/drivers/video/fbdev/offb.c
index 31f769d67195..e0f0c5351306 100644
--- a/drivers/video/fbdev/offb.c
+++ b/drivers/video/fbdev/offb.c
@@ -141,6 +141,7 @@ static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
  		/* Clear PALETTE_ACCESS_CNTL in DAC_CNTL */
  		out_le32(par->cmap_adr + 0x58,
  			 in_le32(par->cmap_adr + 0x58) & ~0x20);
+		/* fall through */
  	case cmap_r128:
  		/* Set palette index & data */
  		out_8(par->cmap_adr + 0xb0, regno);
@@ -210,6 +211,7 @@ static int offb_blank(int blank, struct fb_info *info)
  				/* Clear PALETTE_ACCESS_CNTL in DAC_CNTL */
  				out_le32(par->cmap_adr + 0x58,
  					 in_le32(par->cmap_adr + 0x58) & ~0x20);
+				/* fall through */
  			case cmap_r128:
  				/* Set palette index & data */
  				out_8(par->cmap_adr + 0xb0, i);

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