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um: port_kern: fix -Wmissing-variable-declarations

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I'm looking to enable -Wmissing-variable-declarations behind W=1. 0day
bot spotted the following instance:

  arch/um/drivers/port_kern.c:147:14: warning: no previous extern
  declaration for non-static variable 'port_work'
  [-Wmissing-variable-declarations]
  DECLARE_WORK(port_work, port_work_proc);
               ^
  arch/um/drivers/port_kern.c:147:1: note: declare 'static' if the
  variable is not intended to be used outside of this translation unit
  DECLARE_WORK(port_work, port_work_proc);
  ^

This symbol is not referenced by more than one translation unit, so give
it static storage.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/llvm/202308081050.sZEw4cQ5-lkp@intel.com/
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Nick Desaulniers 2023-08-08 10:31:45 -07:00 committed by Richard Weinberger
parent b10eee784c
commit 4b038701e3
1 changed files with 1 additions and 1 deletions
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2
arch/um/drivers/port_kern.c
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@ -144,7 +144,7 @@ static void port_work_proc(struct work_struct *unused)
local_irq_restore(flags);
}
DECLARE_WORK(port_work, port_work_proc);
static DECLARE_WORK(port_work, port_work_proc);
static irqreturn_t port_interrupt(int irq, void *data)
{