X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=security%2Ftomoyo%2Fcommon.c;h=a0d09e56874b6a3b7bf23d48631cfede23a105c7;hp=7556315c197823e0baedcf15d0f0930c74345429;hb=4a7df24ddc7097cd789a7527187826552ea0765e;hpb=e430426654c6a99fb1977bae71d4844e876c4a52

diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index 7556315c1978..a0d09e56874b 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -108,10 +108,9 @@ static bool tomoyo_flush(struct tomoyo_io_buffer *head)
 			head->read_user_buf += len;
 			w += len;
 		}
-		if (*w) {
-			head->r.w[0] = w;
+		head->r.w[0] = w;
+		if (*w)
 			return false;
-		}
 		/* Add '\0' for query. */
 		if (head->poll) {
 			if (!head->read_user_buf_avail ||
@@ -459,8 +458,16 @@ static int tomoyo_write_profile(struct tomoyo_io_buffer *head)
 	if (profile == &tomoyo_default_profile)
 		return -EINVAL;
 	if (!strcmp(data, "COMMENT")) {
-		const struct tomoyo_path_info *old_comment = profile->comment;
-		profile->comment = tomoyo_get_name(cp);
+		static DEFINE_SPINLOCK(lock);
+		const struct tomoyo_path_info *new_comment
+			= tomoyo_get_name(cp);
+		const struct tomoyo_path_info *old_comment;
+		if (!new_comment)
+			return -ENOMEM;
+		spin_lock(&lock);
+		old_comment = profile->comment;
+		profile->comment = new_comment;
+		spin_unlock(&lock);
 		tomoyo_put_name(old_comment);
 		return 0;
 	}