hpwdt: don't use static flags

Static (read: global) is potential problem.  Two threads can corrupt each
other's interrupt status, better avoid this.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: Thomas Mingarelli <thomas.mingarelli@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index eaa3f2a79ff55bebafa7a655092879322d0f7743..ccd6c530782d4c308aea76db09b6b73f38fd0824 100644 (file)
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -420,7 +420,7 @@ static int __devinit detect_cru_service(void)
 static int hpwdt_pretimeout(struct notifier_block *nb, unsigned long ulReason,
                            void *data)
 {
-       static unsigned long rom_pl;
+       unsigned long rom_pl;
        static int die_nmi_called;
 
        if (ulReason != DIE_NMI && ulReason != DIE_NMI_IPI)