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nios2: signal: Mark expected switch fall-through 

Mark switch cases where we are expecting to fall through.

Fix the following warning through the use of the new the new
pseudo-keyword fallthrough;

arch/nios2/kernel/signal.c:254:12: warning: this statement may fall through [-Wimplicit-fallthrough=]
  254 |    restart = -2;
      |    ~~~~~~~~^~~~
arch/nios2/kernel/signal.c:255:3: note: here
  255 |   case ERESTARTNOHAND:
      |   ^~~~

Reported-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
This commit is contained in:
Ley Foon Tan 2020-06-12 14:04:49 +08:00
parent 3d77e6a880
commit 6b57fa4d37
1 changed files with 1 additions and 0 deletions
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arch/nios2/kernel/signal.c
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@ -252,6 +252,7 @@ static int do_signal(struct pt_regs *regs)
switch (retval) {
case ERESTART_RESTARTBLOCK:
restart = -2;
fallthrough;
case ERESTARTNOHAND:
case ERESTARTSYS:
case ERESTARTNOINTR: