watchdog: hpwdt: Unregister NMI events on exit.

This patch is to unregister for NMI events upon exit. Also we are now
making the default setting for allow_kdump enabled.

Signed-off-by: Thomas Mingarelli <thomas.mingarelli@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 2b763815aeecc90ebad7fdf36f17de949d365bfd..1eff743ec4970071f8451704fb51d4b06de70950 100644 (file)
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -146,7 +146,7 @@ struct cmn_registers {
 }  __attribute__((packed));
 
 static unsigned int hpwdt_nmi_decoding;
-static unsigned int allow_kdump;
+static unsigned int allow_kdump = 1;
 static unsigned int is_icru;
 static DEFINE_SPINLOCK(rom_lock);
 static void *cru_rom_addr;
@@ -756,6 +756,8 @@ error:
 static void hpwdt_exit_nmi_decoding(void)
 {
        unregister_nmi_handler(NMI_UNKNOWN, "hpwdt");
+       unregister_nmi_handler(NMI_SERR, "hpwdt");
+       unregister_nmi_handler(NMI_IO_CHECK, "hpwdt");
        if (cru_rom_addr)
                iounmap(cru_rom_addr);
 }