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Groups > linux.kernel > #1636071

refcount: change EXPORT_SYMBOL markings

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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Now that kref is using the refcount apis, the _GPL markings are getting
exported to places that it previously wasn't.  Now kref.h is GPLv2
licensed, so any non-GPL code using it better be talking to some
lawyers, but changing api markings isn't considered "nice", so let's fix
this up.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/lib/refcount.c b/lib/refcount.c
index f42124ccf295..9f906783987e 100644
--- a/lib/refcount.c
+++ b/lib/refcount.c
@@ -76,7 +76,7 @@ bool refcount_add_not_zero(unsigned int i, refcount_t *r)
 
 	return true;
 }
-EXPORT_SYMBOL_GPL(refcount_add_not_zero);
+EXPORT_SYMBOL(refcount_add_not_zero);
 
 /**
  * refcount_add - add a value to a refcount
@@ -98,7 +98,7 @@ void refcount_add(unsigned int i, refcount_t *r)
 {
 	WARN_ONCE(!refcount_add_not_zero(i, r), "refcount_t: addition on 0; use-after-free.\n");
 }
-EXPORT_SYMBOL_GPL(refcount_add);
+EXPORT_SYMBOL(refcount_add);
 
 /**
  * refcount_inc_not_zero - increment a refcount unless it is 0
@@ -131,7 +131,7 @@ bool refcount_inc_not_zero(refcount_t *r)
 
 	return true;
 }
-EXPORT_SYMBOL_GPL(refcount_inc_not_zero);
+EXPORT_SYMBOL(refcount_inc_not_zero);
 
 /**
  * refcount_inc - increment a refcount
@@ -149,7 +149,7 @@ void refcount_inc(refcount_t *r)
 {
 	WARN_ONCE(!refcount_inc_not_zero(r), "refcount_t: increment on 0; use-after-free.\n");
 }
-EXPORT_SYMBOL_GPL(refcount_inc);
+EXPORT_SYMBOL(refcount_inc);
 
 /**
  * refcount_sub_and_test - subtract from a refcount and test if it is 0
@@ -189,7 +189,7 @@ bool refcount_sub_and_test(unsigned int i, refcount_t *r)
 
 	return !new;
 }
-EXPORT_SYMBOL_GPL(refcount_sub_and_test);
+EXPORT_SYMBOL(refcount_sub_and_test);
 
 /**
  * refcount_dec_and_test - decrement a refcount and test if it is 0
@@ -208,7 +208,7 @@ bool refcount_dec_and_test(refcount_t *r)
 {
 	return refcount_sub_and_test(1, r);
 }
-EXPORT_SYMBOL_GPL(refcount_dec_and_test);
+EXPORT_SYMBOL(refcount_dec_and_test);
 
 /**
  * refcount_dec - decrement a refcount
@@ -224,7 +224,7 @@ void refcount_dec(refcount_t *r)
 {
 	WARN_ONCE(refcount_dec_and_test(r), "refcount_t: decrement hit 0; leaking memory.\n");
 }
-EXPORT_SYMBOL_GPL(refcount_dec);
+EXPORT_SYMBOL(refcount_dec);
 
 /**
  * refcount_dec_if_one - decrement a refcount if it is 1
@@ -248,7 +248,7 @@ bool refcount_dec_if_one(refcount_t *r)
 
 	return atomic_try_cmpxchg_release(&r->refs, &val, 0);
 }
-EXPORT_SYMBOL_GPL(refcount_dec_if_one);
+EXPORT_SYMBOL(refcount_dec_if_one);
 
 /**
  * refcount_dec_not_one - decrement a refcount if it is not 1
@@ -282,7 +282,7 @@ bool refcount_dec_not_one(refcount_t *r)
 
 	return true;
 }
-EXPORT_SYMBOL_GPL(refcount_dec_not_one);
+EXPORT_SYMBOL(refcount_dec_not_one);
 
 /**
  * refcount_dec_and_mutex_lock - return holding mutex if able to decrement
@@ -313,7 +313,7 @@ bool refcount_dec_and_mutex_lock(refcount_t *r, struct mutex *lock)
 
 	return true;
 }
-EXPORT_SYMBOL_GPL(refcount_dec_and_mutex_lock);
+EXPORT_SYMBOL(refcount_dec_and_mutex_lock);
 
 /**
  * refcount_dec_and_lock - return holding spinlock if able to decrement
@@ -344,5 +344,5 @@ bool refcount_dec_and_lock(refcount_t *r, spinlock_t *lock)
 
 	return true;
 }
-EXPORT_SYMBOL_GPL(refcount_dec_and_lock);
+EXPORT_SYMBOL(refcount_dec_and_lock);
 

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Re: [GIT PULL] locking fixes Linus Torvalds <torvalds@linux-foundation.org> - 2017-05-04 01:30 +0200
  Re: [GIT PULL] locking fixes Peter Zijlstra <peterz@infradead.org> - 2017-05-04 07:50 +0200
    Re: [GIT PULL] locking fixes Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-05 00:50 +0200
      refcount: change EXPORT_SYMBOL markings Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-05 01:00 +0200

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