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Driver core fixes for 4.7-rc4

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Here are a small number of debugfs, ISA, and one driver core fix for 4.7-rc4.
 
 All of these resolve reported issues.  The ISA ones have spent the least
 amount of time in linux-next, sorry about that, I didn't realize they
 were regressions that needed to get in now (thanks to Thorsten for the
 prodding!) but they do all pass the 0-day bot tests.  The others have
 been in linux-next for a while now.
 
 Full details about them are in the shortlog below.
 
 Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Merge tag 'driver-core-4.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are a small number of debugfs, ISA, and one driver core fix for
  4.7-rc4.

  All of these resolve reported issues.  The ISA ones have spent the
  least amount of time in linux-next, sorry about that, I didn't realize
  they were regressions that needed to get in now (thanks to Thorsten
  for the prodding!) but they do all pass the 0-day bot tests.  The
  others have been in linux-next for a while now.

  Full details about them are in the shortlog below"

* tag 'driver-core-4.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  isa: Dummy isa_register_driver should return error code
  isa: Call isa_bus_init before dependent ISA bus drivers register
  watchdog: ebc-c384_wdt: Allow build for X86_64
  iio: stx104: Allow build for X86_64
  gpio: Allow PC/104 devices on X86_64
  isa: Allow ISA-style drivers on modern systems
  base: make module_create_drivers_dir race-free
  debugfs: open_proxy_open(): avoid double fops release
  debugfs: full_proxy_open(): free proxy on ->open() failure
  kernel/kcov: unproxify debugfs file's fops
This commit is contained in:
Linus Torvalds 2016-06-18 06:04:01 -10:00
commit 607117a153
11 changed files with 38 additions and 17 deletions
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2
drivers/base/Makefile
View file

@ -10,7 +10,7 @@ obj-$(CONFIG_DMA_CMA) += dma-contiguous.o
obj-y += power/
obj-$(CONFIG_HAS_DMA) += dma-mapping.o
obj-$(CONFIG_HAVE_GENERIC_DMA_COHERENT) += dma-coherent.o
obj-$(CONFIG_ISA) += isa.o
obj-$(CONFIG_ISA_BUS_API) += isa.o
obj-$(CONFIG_FW_LOADER) += firmware_class.o
obj-$(CONFIG_NUMA) += node.o
obj-$(CONFIG_MEMORY_HOTPLUG_SPARSE) += memory.o

2
drivers/base/isa.c
View file

@ -180,4 +180,4 @@ static int __init isa_bus_init(void)
return error;
}
device_initcall(isa_bus_init);
postcore_initcall(isa_bus_init);

8
drivers/base/module.c
View file

@ -24,10 +24,12 @@ static char *make_driver_name(struct device_driver *drv)
static void module_create_drivers_dir(struct module_kobject *mk)
{
if (!mk || mk->drivers_dir)
return;
static DEFINE_MUTEX(drivers_dir_mutex);
mk->drivers_dir = kobject_create_and_add("drivers", &mk->kobj);
mutex_lock(&drivers_dir_mutex);
if (mk && !mk->drivers_dir)
mk->drivers_dir = kobject_create_and_add("drivers", &mk->kobj);
mutex_unlock(&drivers_dir_mutex);
}
void module_add_driver(struct module *mod, struct device_driver *drv)