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misc: mic/scif: mark expected switch fall-through

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In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.

This patch fixes the following warning:

drivers/misc/mic/scif/scif_rma.c: In function ‘scif_unregister_window’:
drivers/misc/mic/scif/scif_rma.c:665:12: warning: this statement may fall through [-Wimplicit-fallthrough=]
   send_msg = true;
   ~~~~~~~~~^~~~~~
drivers/misc/mic/scif/scif_rma.c:668:2: note: here
  case OP_IN_PROGRESS:
  ^~~~

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gustavo A. R. Silva 2019-02-26 13:27:22 -06:00 committed by Greg Kroah-Hartman
parent 5e6e0239e1
commit b304da7025
1 changed files with 1 additions and 1 deletions
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2
drivers/misc/mic/scif/scif_rma.c
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@ -672,8 +672,8 @@ int scif_unregister_window(struct scif_window *window)
{
window->unreg_state = OP_IN_PROGRESS;
send_msg = true;
/* fall through */
}
/* fall through */
case OP_IN_PROGRESS:
{
scif_get_window(window, 1);