ar71xx: fix a compiler warning

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29110 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 4 insertions, 4 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c b/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c
index c40dae319..293f9b25e 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c
@@ -33,13 +33,13 @@ static inline int is_valid_ram_addr(void *addr)
 	return 0;
 }
 
+static char ar71xx_cmdline_buf[COMMAND_LINE_SIZE] __initdata;
 static void __init ar71xx_prom_append_cmdline(const char *name,
 					      const char *value)
 {
-	char buf[COMMAND_LINE_SIZE];
-
-	snprintf(buf, sizeof(buf), " %s=%s", name, value);
-	strlcat(arcs_cmdline, buf, sizeof(arcs_cmdline));
+	snprintf(ar71xx_cmdline_buf, sizeof(ar71xx_cmdline_buf),
+		 " %s=%s", name, value);
+	strlcat(arcs_cmdline, ar71xx_cmdline_buf, sizeof(arcs_cmdline));
 }
 
 static const char * __init ar71xx_prom_find_env(char **envp, const char *name)