From: Helge Deller <deller@gmx.de>
Date: Sun, 15 Mar 2015 20:32:12 +0000 (+0100)
Subject: parisc: Add compile-time check when adding new syscalls
X-Git-Tag: firefly_0821_release~176^2~2090^2~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=47514da3ac20150cdf764466fbc2010c0fca0163;p=firefly-linux-kernel-4.4.55.git

parisc: Add compile-time check when adding new syscalls

Signed-off-by: Helge Deller <deller@gmx.de>
---

diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 5a8997d63899..8eefb12d1d33 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -55,8 +55,8 @@
 #define ENTRY_COMP(_name_) .word sys_##_name_
 #endif
 
-	ENTRY_SAME(restart_syscall)	/* 0 */
-	ENTRY_SAME(exit)
+90:	ENTRY_SAME(restart_syscall)	/* 0 */
+91:	ENTRY_SAME(exit)
 	ENTRY_SAME(fork_wrapper)
 	ENTRY_SAME(read)
 	ENTRY_SAME(write)
@@ -439,7 +439,10 @@
 	ENTRY_SAME(bpf)
 	ENTRY_COMP(execveat)
 
-	/* Nothing yet */
+
+.ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b))
+.error "size of syscall table does not fit value of __NR_Linux_syscalls"
+.endif
 
 #undef ENTRY_SAME
 #undef ENTRY_DIFF