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driver core fixes for 4.9-rc5

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Here are two driver core fixes for 4.9-rc5.
 
 The first resolves an issue with some drivers not liking to be unbound
 and bound again (if CONFIG_DEBUG_TEST_DRIVER_REMOVE is enabled), which
 solves some reported problems with graphics and storage drivers.  The
 other resolves a smatch error with the 4.9-rc1 driver core changes
 around this feature.
 
 Both have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are two driver core fixes for 4.9-rc5.

  The first resolves an issue with some drivers not liking to be unbound
  and bound again (if CONFIG_DEBUG_TEST_DRIVER_REMOVE is enabled), which
  solves some reported problems with graphics and storage drivers. The
  other resolves a smatch error with the 4.9-rc1 driver core changes
  around this feature.

  Both have been in linux-next with no reported issues"

* tag 'driver-core-4.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  driver core: fix smatch warning on dev->bus check
  driver core: skip removal test for non-removable drivers
This commit is contained in:
Linus Torvalds 2016-11-13 10:22:07 -08:00
commit cf2b191cba
1 changed files with 3 additions and 2 deletions
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5
drivers/base/dd.c
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@ -324,7 +324,8 @@ static int really_probe(struct device *dev, struct device_driver *drv)
{
int ret = -EPROBE_DEFER;
int local_trigger_count = atomic_read(&deferred_trigger_count);
bool test_remove = IS_ENABLED(CONFIG_DEBUG_TEST_DRIVER_REMOVE);
bool test_remove = IS_ENABLED(CONFIG_DEBUG_TEST_DRIVER_REMOVE) &&
!drv->suppress_bind_attrs;
if (defer_all_probes) {
/*
@ -383,7 +384,7 @@ re_probe:
if (test_remove) {
test_remove = false;
if (dev->bus && dev->bus->remove)
if (dev->bus->remove)
dev->bus->remove(dev);
else if (drv->remove)
drv->remove(dev);