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authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-03-11 06:55:49 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-03-11 06:55:49 -0300
commitc897df0e2dbc81bcc09c11425658d69830825364 (patch)
tree04c268e4951f2b75acb6873307673e45d05a635e /drivers/acpi/dock.c
parent1e9c4d49020996a645a535cbb8f1ff78b9b120f3 (diff)
parent0414855fdc4a40da05221fc6062cccbc0c30f169 (diff)
Merge tag 'v3.14-rc5' into patchwork
Linux 3.14-rc5 * tag 'v3.14-rc5': (1117 commits) Linux 3.14-rc5 drm/vmwgfx: avoid null pointer dereference at failure paths drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date. drm/vmwgfx: Remove some unused surface formats MAINTAINERS: add maintainer entry for Armada DRM driver arm64: Fix !CONFIG_SMP kernel build arm64: mm: Add double logical invert to pte accessors dm cache: fix truncation bug when mapping I/O to >2TB fast device perf tools: Fix strict alias issue for find_first_bit powerpc/powernv: Fix indirect XSCOM unmangling powerpc/powernv: Fix opal_xscom_{read,write} prototype powerpc/powernv: Refactor PHB diag-data dump powerpc/powernv: Dump PHB diag-data immediately powerpc: Increase stack redzone for 64-bit userspace to 512 bytes powerpc/ftrace: bugfix for test_24bit_addr powerpc/crashdump : Fix page frame number check in copy_oldmem_page powerpc/le: Ensure that the 'stop-self' RTAS token is handled correctly kvm, vmx: Really fix lazy FPU on nested guest perf tools: fix BFD detection on opensuse drm/radeon: enable speaker allocation setup on dce3.2 ...
Diffstat (limited to 'drivers/acpi/dock.c')
-rw-r--r--drivers/acpi/dock.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index c431c88faaff..5bfd769fc91f 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -609,7 +609,7 @@ static int handle_eject_request(struct dock_station *ds, u32 event)
static void dock_notify(struct dock_station *ds, u32 event)
{
acpi_handle handle = ds->handle;
- struct acpi_device *ad;
+ struct acpi_device *adev = NULL;
int surprise_removal = 0;
/*
@@ -632,7 +632,8 @@ static void dock_notify(struct dock_station *ds, u32 event)
switch (event) {
case ACPI_NOTIFY_BUS_CHECK:
case ACPI_NOTIFY_DEVICE_CHECK:
- if (!dock_in_progress(ds) && acpi_bus_get_device(handle, &ad)) {
+ acpi_bus_get_device(handle, &adev);
+ if (!dock_in_progress(ds) && !acpi_device_enumerated(adev)) {
begin_dock(ds);
dock(ds);
if (!dock_present(ds)) {
@@ -712,13 +713,11 @@ static acpi_status __init find_dock_devices(acpi_handle handle, u32 lvl,
static ssize_t show_docked(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct acpi_device *tmp;
-
struct dock_station *dock_station = dev->platform_data;
+ struct acpi_device *adev = NULL;
- if (!acpi_bus_get_device(dock_station->handle, &tmp))
- return snprintf(buf, PAGE_SIZE, "1\n");
- return snprintf(buf, PAGE_SIZE, "0\n");
+ acpi_bus_get_device(dock_station->handle, &adev);
+ return snprintf(buf, PAGE_SIZE, "%u\n", acpi_device_enumerated(adev));
}
static DEVICE_ATTR(docked, S_IRUGO, show_docked, NULL);