[SPARC64]: Translate 32-bit sys_lookup_dcookie properly, from PPC64.

arch/sparc64/kernel/sys_sparc32.c

@@ -3871,3 +3871,11 @@ asmlinkage int sys32_sched_getaffinity(__kernel_pid_t32 pid, unsigned int len,
 
 	return ret;
 }
+
+extern int sys_lookup_dcookie(u64 cookie64, char *buf, size_t len);
+
+int sys32_lookup_dcookie(u32 cookie_high, u32 cookie_low, char *buf, size_t len)
+{
+	return sys_lookup_dcookie((u64)cookie_high << 32 | cookie_low,
+				  buf, len);
+}

arch/sparc64/kernel/systbls.S

@@ -60,7 +60,7 @@ sys_call_table32:
 /*190*/	.word sys32_init_module, sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl
 	.word sys_epoll_wait, sys_nis_syscall, sys_getppid, sys32_sigaction, sys_sgetmask
 /*200*/	.word sys_ssetmask, sys_sigsuspend, sys32_newlstat, sys_uselib, old32_readdir
-	.word sys32_readahead, sys32_socketcall, sys_syslog, sys_lookup_dcookie, sys_nis_syscall
+	.word sys32_readahead, sys32_socketcall, sys_syslog, sys32_lookup_dcookie, sys_nis_syscall
 /*210*/	.word sys_nis_syscall, sys_nis_syscall, sys_waitpid, sys_swapoff, sys32_sysinfo
 	.word sys32_ipc, sys32_sigreturn, sys_clone, sys_nis_syscall, sys32_adjtimex
 /*220*/	.word sys32_sigprocmask, sys_ni_syscall, sys32_delete_module, sys_ni_syscall, sys_getpgid