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>

1 files changed, 4 insertions, 4 deletions

diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
index f3ab20758c0f..cc599b36a3a8 100644
--- 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, "/"))