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iscsi-scst: Port to Linux kernel v5.9

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In Linux kernel v5.9 use of the KERNEL_SOCKPTR() function is mandatory
when calling setsockopt(). Implement that function for kernels before v5.9.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@9149 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2020-08-29 21:16:47 +00:00
parent 10ede52dd9
commit bd3aa5d4a5
3 changed files with 12 additions and 2 deletions
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scst/include/backport.h
+10
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@@ -1727,6 +1727,16 @@ static inline struct kmem_cache *kmem_cache_create_usercopy(const char *name,
sizeof_field(struct __struct, __field), NULL)
#endif
/* <linux/sockptr.h> */
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 9, 0)
/* See also commit ba423fdaa589 ("net: add a new sockptr_t type") # v5.9 */
static inline void __user *KERNEL_SOCKPTR(void *p)
{
return (void __force __user *)p;
}
#endif
/* <linux/stddef.h> */
#ifndef sizeof_field