[PATCH] uml: remove unused variable and function

syscall_index and next_syscall_index turn out not to be used.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h
index cec9fcc57bf51f5169cbee6cf7fdc6f60555d5f8..3368ef974379cd0efee146e3c481cf1dbc382b9d 100644 (file)
--- a/arch/um/include/kern_util.h
+++ b/arch/um/include/kern_util.h
@@ -61,7 +61,6 @@ extern int set_signals(int enable);
 extern void force_sigbus(void);
 extern int pid_to_processor_id(int pid);
 extern void deliver_signals(void *t);
-extern int next_syscall_index(int max);
 extern int next_trap_index(int max);
 extern void default_idle(void);
 extern void finish_fork(void);

diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c
index f5ed8624648b88f0b0022a5994f202361fea19fb..2828c52832275fffa7b013e86cb70ea4867363f9 100644 (file)
--- a/arch/um/kernel/syscall.c
+++ b/arch/um/kernel/syscall.c
@@ -149,22 +149,6 @@ long sys_olduname(struct oldold_utsname __user * name)
        return error;
 }
 
-DEFINE_SPINLOCK(syscall_lock);
-
-static int syscall_index = 0;
-
-int next_syscall_index(int limit)
-{
-       int ret;
-
-       spin_lock(&syscall_lock);
-       ret = syscall_index;
-       if(++syscall_index == limit)
-               syscall_index = 0;
-       spin_unlock(&syscall_lock);
-       return(ret);
-}
-
 int kernel_execve(const char *filename, char *const argv[], char *const envp[])
 {
        mm_segment_t fs;