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scst/include/backport.h: Backport the fallthrough macro

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@9147 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2020-08-29 16:11:31 +00:00
parent bb63af5901
commit ac08491d6a
1 changed files with 9 additions and 0 deletions
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9
scst/include/backport.h
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@@ -240,6 +240,15 @@ static inline void cpu_to_be32_array(__be32 *dst, const u32 *src, size_t len)
#define __percpu
#endif
/* <linux/compiler_attributes.h> */
/* See also commit 294f69e662d1 ("compiler_attributes.h: Add 'fallthrough'
* pseudo keyword for switch/case use") # v5.4
*/
#ifndef fallthrough
#define fallthrough __attribute__((__fallthrough__))
#endif
/* <linux/cpumask.h> */
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 20) && !defined(BACKPORT_LINUX_CPUMASK_H)