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poke: allow multiple open() 

Not sure why it only ever allowed a single instance.

Change-Id: I972a1d601d93725674a97fb341aa7ffb3625b105
Reviewed-on: https://review.haiku-os.org/c/haiku/+/1075
Reviewed-by: Jérôme Duval <jerome.duval@gmail.com>
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
This commit is contained in:
François Revol 2016-03-13 22:03:27 +01:00 committed by Jérôme Duval
parent 9918c82954
commit e5495bf648
1 changed files with 0 additions and 10 deletions
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10
src/add-ons/kernel/drivers/misc/poke.cpp
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@ -41,8 +41,6 @@ int32 api_version = B_CUR_DRIVER_API_VERSION;
isa_module_info* isa;
pci_module_info* pci;
static int32 open_count;
status_t
init_hardware(void)
@ -54,8 +52,6 @@ init_hardware(void)
status_t
init_driver(void)
{
open_count = 0;
if (get_module(B_ISA_MODULE_NAME, (module_info**)&isa) < B_OK)
return ENOSYS;
@ -101,11 +97,6 @@ poke_open(const char* name, uint32 flags, void** cookie)
if (getuid() != 0 && geteuid() != 0)
return EPERM;
if (atomic_add(&open_count, 1) != 0) {
atomic_add(&open_count, -1);
return B_BUSY;
}
return B_OK;
}
@ -120,7 +111,6 @@ poke_close(void* cookie)
status_t
poke_free(void* cookie)
{
atomic_add(&open_count, -1);
return B_OK;
}