mark set but unused variables as such

SVN-Revision: 31296

diff --git a/target/linux/rb532/patches-2.6.32/003-unused_variables.patch b/target/linux/rb532/patches-2.6.32/003-unused_variables.patch
new file mode 100644 (file)
index 0000000..589860f
--- /dev/null
+++ b/target/linux/rb532/patches-2.6.32/003-unused_variables.patch
@@ -0,0 +1,11 @@
+--- a/arch/mips/rb532/prom.c
++++ b/arch/mips/rb532/prom.c
+@@ -73,7 +73,7 @@ void __init prom_setup_cmdline(void)
+       static char cmd_line[CL_SIZE] __initdata;
+       char *cp, *board;
+       int prom_argc;
+-      char **prom_argv, **prom_envp;
++      char **prom_argv, **prom_envp __maybe_unused;
+       int i;
+ 
+       prom_argc = fw_arg0;