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fcst: Do not define kref_get_unless_zero() if backported through stable tree

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4934 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2013-08-03 18:06:32 +00:00
parent 69b6db5f43
commit 08afc26627
1 changed files with 10 additions and 2 deletions
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fcst/ft_sess.c
+10 -2
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@@ -174,8 +174,16 @@ static u32 ft_sess_hash(u32 port_id)
return hash_32(port_id, FT_SESS_HASH_BITS);
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 0)
/* See also commit 4b20db3 (kref: Implement kref_get_unless_zero v3) */
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0) && \
! (LINUX_VERSION_CODE >> 8 == KERNEL_VERSION(3, 4, 0) >> 8 && \
LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 41)) && \
! (LINUX_VERSION_CODE >> 8 == KERNEL_VERSION(3, 2, 0) >> 8 && \
LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 44))
/*
* See also commit 4b20db3 (kref: Implement kref_get_unless_zero v3 -- v3.8).
* See also commit e3a5505 in branch stable/linux-3.4.y (v3.4.41).
* See also commit 3fa8ee5 in branch stable/linux-3.2.y (v3.2.44).
*/
static inline int __must_check kref_get_unless_zero(struct kref *kref)
{
return atomic_add_unless(&kref->refcount, 1, 0);