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dahdi: Move WARN_ON_ONCE from wctc4xxp driver to include/dahdi/kernel.h

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I only generally test on RHEL 4 when testing against kernels older
than 2.6.18. Apparently OpenSUSE 10.1 runs with 2.6.16 and doesn't
have WARN_ON_ONCE backported. I took the patch Richard Miller
originally attached to the issue and moved it to
include/dahdi/kernel.h so it would be available for all the board
drivers in the future.

Internal-Issue-ID: DAHLIN-260
Reported-by: Richard Miller
Signed-off-by: Shaun Ruffell <sruffell@digium.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10252 a0bf4364-ded3-4de4-8d8a-66a801d63aff
This commit is contained in:
Shaun Ruffell
2011-10-21 19:32:25 +00:00
parent f06aa486c7
commit 35ffe2f550
2 changed files with 13 additions and 14 deletions
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14
drivers/dahdi/wctc4xxp/base.c
View File

@@ -73,20 +73,6 @@
dev_info(&(wc)->pdev->dev, _fmt, ## _args); \
} \
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)
#ifndef WARN_ON_ONCE
#define WARN_ON_ONCE(__condition) do { \
static int __once = 1; \
if (unlikely(__condition)) { \
if (__once) { \
__once = 0; \
WARN_ON(0); \
} \
} \
} while (0)
#endif
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 14)
/* also added in RHEL kernels with the OpenInfiniband backport: */
#if LINUX_VERSION_CODE != KERNEL_VERSION(2, 6, 9) || !defined(DEFINE_SPINLOCK)

13
include/dahdi/kernel.h
View File

@@ -1380,6 +1380,19 @@ static inline void list_replace(struct list_head *old, struct list_head *new)
new->prev = old->prev;
new->prev->next = new;
}
#ifndef WARN_ON_ONCE
#define WARN_ON_ONCE(__condition) do { \
static int __once = 1; \
if (unlikely(__condition)) { \
if (__once) { \
__once = 0; \
WARN_ON(0); \
} \
} \
} while (0)
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 14)
#define kzalloc(a, b) kcalloc(1, a, b)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 12)