x86/APM: Fix build warning when PROC_FS is not enabled

rddunlap · KAGA-KOKO · commit 002b87d2aace · 2018-09-15T10:16:25.000+02:00
Fix build warning in apm_32.c when CONFIG_PROC_FS is not enabled: ../arch/x86/kernel/apm_32.c:1643:12: warning: 'proc_apm_show' defined but not used [-Wunused-function] static int proc_apm_show(struct seq_file *m, void *v) Fixes: 3f3942a ("proc: introduce proc_create_single{,_data}") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Jiri Kosina <jikos@kernel.org> Link: https://lkml.kernel.org/r/be39ac12-44c2-4715-247f-4dcc3c525b8b@infradead.org
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
@@ -1640,6 +1640,7 @@ static int do_open(struct inode *inode, struct file *filp)
 	return 0;
 }
 
+#ifdef CONFIG_PROC_FS
 static int proc_apm_show(struct seq_file *m, void *v)
 {
 	unsigned short	bx;
@@ -1719,6 +1720,7 @@ static int proc_apm_show(struct seq_file *m, void *v)
 		   units);
 	return 0;
 }
+#endif
 
 static int apm(void *unused)
 {

Original file line number	Diff line number	Diff line change
`@@ -1640,6 +1640,7 @@ static int do_open(struct inode inode, struct file filp)`
`1640`	`1640`	`return 0;`
`1641`	`1641`	`}`
`1642`	`1642`
	`1643`	`+#ifdef CONFIG_PROC_FS`
`1643`	`1644`	`static int proc_apm_show(struct seq_file m, void v)`
`1644`	`1645`	`{`
`1645`	`1646`	`unsigned short bx;`
`@@ -1719,6 +1720,7 @@ static int proc_apm_show(struct seq_file m, void v)`
`1719`	`1720`	`units);`
`1720`	`1721`	`return 0;`
`1721`	`1722`	`}`
	`1723`	`+#endif`
`1722`	`1724`
`1723`	`1725`	`static int apm(void *unused)`
`1724`	`1726`	`{`