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scst: Restore compatibility with gcc 4.x (RHEL 7.x)

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@9161 d57e44dd-8a1f-0410-8b47-8ef2f437770f
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Bart Van Assche
2020-09-15 03:44:03 +00:00
parent 85fed6fa4a
commit 9d9ae0f153
1 changed files with 8 additions and 0 deletions
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scst/include/backport.h
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@@ -246,7 +246,15 @@ static inline void cpu_to_be32_array(__be32 *dst, const u32 *src, size_t len)
* pseudo keyword for switch/case use") # v5.4
*/
#ifndef fallthrough
#ifdef __has_attribute
#if __has_attribute(__fallthrough__)
#define fallthrough __attribute__((__fallthrough__))
#else
#define fallthrough do {} while (0) /* fallthrough */
#endif
#else
#define fallthrough do {} while (0) /* fallthrough */
#endif
#endif
/* <linux/cpumask.h> */