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Tomas Winkler d692170037 watchdog: mei: avoid oops in watchdog unregister code path ... With commit c7d3df3 "mei: use internal watchdog device registration tracking" will crash the kernel on shutdown path on systems where ME watchdog is not present. Since the watchdog was never initialized in such case the WDOG_UNREGISTERED bit is never set and the system crashes on access to uninitialized variables down the path. To solve the issue we query for NULL on watchdog driver driver_data to check whether the device is registered. This is handled in the driver and doesn't depend on watchdog core internals. Cc: Borislav Petkov <bp@alien8.de> Cc: Wanlong Gao <gaowanlong@cn.fujitsu.com> Signed-off-by: Jerry Snitselaar <jerry.snitselaar@oracle.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>		12 years ago
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Kconfig	char/misc: remove CONFIG_EXPERIMENTAL dependencies	13 years ago
Makefile	mei: extract AMTHI functions into the amthif.c file	12 years ago
amthif.c	mei: streamline amthif write complete function	12 years ago
hw.h	mei: use the same bus msg for connect and disconnect request	12 years ago
init.c	mei: Simplify the ME client enumeration code	12 years ago
interface.c	mei: compact code for mei bus message creation	12 years ago
interface.h	mei: wd: decouple and revamp watchdog state machine	13 years ago
interrupt.c	mei: Simplify the ME client enumeration code	12 years ago
iorw.c	mei: use link and unlink terms for connecting ME and HOST client	12 years ago
main.c	misc: remove use of __devexit	12 years ago
mei_dev.h	mei: Simplify the ME client enumeration code	12 years ago
wd.c	watchdog: mei: avoid oops in watchdog unregister code path	12 years ago