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authorArnd Bergmann <arnd@arndb.de>2017-09-19 01:49:02 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-09-19 01:49:02 +0200
commit6ce14f6416c84bd9c81777edf899b57ac5000c87 (patch)
tree53c1bf49a789953b69d5612d39f64e4715f993cf /net/sunrpc
parent2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e (diff)
downloadlinux-6ce14f6416c84bd9c81777edf899b57ac5000c87.tar.gz
ACPI / watchdog: properly initialize resources
We copy a local resource structure into a list, but only
initialize some of its members, as pointed out by gcc-4.4:

drivers/acpi/acpi_watchdog.c: In function 'acpi_watchdog_init':
drivers/acpi/acpi_watchdog.c:105: error: 'res.child' may be used uninitialized in this function
drivers/acpi/acpi_watchdog.c:105: error: 'res.sibling' may be used uninitialized in this function
drivers/acpi/acpi_watchdog.c:105: error: 'res.parent' may be used uninitialized in this function
drivers/acpi/acpi_watchdog.c:105: error: 'res.desc' may be used uninitialized in this function
drivers/acpi/acpi_watchdog.c:105: error: 'res.name' may be used uninitialized in this function

Newer compilers can presumably optimize the uninitialized access
away entirely and don't warn at all, but rely on the kzalloc()
to zero the structure first. This adds an explicit initialization
to force consistent behavior.

Fixes: 058dfc767008 (ACPI / watchdog: Add support for WDAT hardware watchdog)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'net/sunrpc')
0 files changed, 0 insertions, 0 deletions