broadcom-diag: check the correct value for not null.

This also fixes a compile warning.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37279 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/kernel/broadcom-diag/src/diag.c b/package/kernel/broadcom-diag/src/diag.c
index 849a843..ace44cc 100644 (file)
--- a/package/kernel/broadcom-diag/src/diag.c
+++ b/package/kernel/broadcom-diag/src/diag.c
@@ -1109,7 +1109,7 @@ static struct platform_t __initdata platforms[] = {
 
 static struct platform_t __init *platform_detect_legacy(void)
 {
-       char *boardnum, *boardtype, *buf;
+       char *boardnum, *boardtype;
 
        if (strcmp(getvar("nvram_type"), "cfe") == 0)
                return &platforms[WGT634U];
@@ -1232,7 +1232,7 @@ static struct platform_t __init *platform_detect_legacy(void)
                }
        }
 
-       if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
+       if (boardnum || !strcmp(boardnum, "00")) {/* probably buffalo */
                if (startswith(boardtype, "bcm94710ap"))
                        return &platforms[BUFFALO_UNKNOWN_4710];
                else