Messages in this thread | | | Subject | Re: [PATCH] xen, fbfront: mark expected switch fall-through | From | "Gustavo A. R. Silva" <> | Date | Wed, 20 Mar 2019 15:08:06 -0500 |
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Hi all,
Friendly ping:
Who can take this?
Thanks -- Gustavo
On 2/28/19 5:51 AM, Oleksandr Andrushchenko wrote: > +Xen-devel list > > On 2/27/19 10:53 PM, Gustavo A. R. Silva wrote: >> In preparation to enabling -Wimplicit-fallthrough, mark switch >> cases where we are expecting to fall through. >> >> This patch fixes the following warning: >> >> drivers/video/fbdev/xen-fbfront.c: In function ‘xenfb_backend_changed’: >> drivers/video/fbdev/xen-fbfront.c:678:6: warning: this statement may fall through [-Wimplicit-fallthrough=] >> if (dev->state == XenbusStateClosed) >> ^ >> drivers/video/fbdev/xen-fbfront.c:681:2: note: here >> case XenbusStateClosing: >> ^~~~ >> >> Warning level 3 was used: -Wimplicit-fallthrough=3 >> >> Notice that, in this particular case, the code comment is modified >> in accordance with what GCC is expecting to find. >> >> This patch is part of the ongoing efforts to enable >> -Wimplicit-fallthrough. >> >> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> >> --- >> drivers/video/fbdev/xen-fbfront.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c >> index 6a4bbc9e1fb0..a3d6b6db221b 100644 >> --- a/drivers/video/fbdev/xen-fbfront.c >> +++ b/drivers/video/fbdev/xen-fbfront.c >> @@ -677,7 +677,7 @@ static void xenfb_backend_changed(struct xenbus_device *dev, >> case XenbusStateClosed: >> if (dev->state == XenbusStateClosed) >> break; >> - /* Missed the backend's CLOSING state -- fallthrough */ >> + /* fall through - Missed the backend's CLOSING state. */ >> case XenbusStateClosing: >> xenbus_frontend_closed(dev); >> break; >
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