The seq_printf return value, because it's frequently misused,
will eventually be converted to void.
See: commit 
1f33c41c03da ("seq_file: Rename seq_overflow() to
     seq_has_overflowed() and make public")
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 
 
 static int show_debug_level(struct seq_file *m, void *v)
 {
-       return seq_printf(m, "0x%08X\n", rtllib_debug_level);
+       seq_printf(m, "0x%08X\n", rtllib_debug_level);
+
+       return 0;
 }
 
 static ssize_t write_debug_level(struct file *file, const char __user *buffer,
 
 
 static int show_debug_level(struct seq_file *m, void *v)
 {
-       return seq_printf(m, "0x%08X\n", ieee80211_debug_level);
+       seq_printf(m, "0x%08X\n", ieee80211_debug_level);
+
+       return 0;
 }
 
 static ssize_t write_debug_level(struct file *file, const char __user *buffer,