tomoyo: fix sparse warning

Fix sparse warning.

$ make C=2 SUBDIRS=security/tomoyo CF="-D__cold__="
 CHECK   security/tomoyo/common.c
 CHECK   security/tomoyo/realpath.c
 CHECK   security/tomoyo/tomoyo.c
security/tomoyo/tomoyo.c:110:8: warning: symbol 'buf' shadows an earlier one
security/tomoyo/tomoyo.c:100:7: originally declared here

Signed-off-by: Kentaro Takeda <takedakn@nttdata.co.jp>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Toshiharu Harada <haradats@nttdata.co.jp>
Signed-off-by: James Morris <jmorris@namei.org>

diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
index f3ab207..cc599b3 100644 (file)
--- a/security/tomoyo/tomoyo.c
+++ b/security/tomoyo/tomoyo.c
@@ -107,13 +107,13 @@ static char *tomoyo_sysctl_path(struct ctl_table *table)
        *--end = '\0';
        buflen--;
        while (table) {
-               char buf[32];
+               char num[32];
                const char *sp = table->procname;
 
                if (!sp) {
-                       memset(buf, 0, sizeof(buf));
-                       snprintf(buf, sizeof(buf) - 1, "=%d=", table->ctl_name);
-                       sp = buf;
+                       memset(num, 0, sizeof(num));
+                       snprintf(num, sizeof(num) - 1, "=%d=", table->ctl_name);
+                       sp = num;
                }
                if (tomoyo_prepend(&end, &buflen, sp) ||
                    tomoyo_prepend(&end, &buflen, "/"))