X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fdquot.c;h=ad46d2520b0b30d08b332d31cbd4f0ca161bd124;hb=7172c64a7cee4dfa95864f49c914f7ea8cf497c8;hp=0122a279106a9dd4a0475557901471be5c428546;hpb=3967a72a825e44bff5d10f516e90b6f59f59e599;p=linux-2.6.git

diff --git a/fs/dquot.c b/fs/dquot.c
index 0122a2791..ad46d2520 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -828,18 +828,23 @@ static inline int need_print_warning(struct dquot *dquot)
 static void print_warning(struct dquot *dquot, const char warntype)
 {
 	char *msg = NULL;
+	struct tty_struct *tty;
 	int flag = (warntype == BHARDWARN || warntype == BSOFTLONGWARN) ? DQ_BLKS_B :
 	  ((warntype == IHARDWARN || warntype == ISOFTLONGWARN) ? DQ_INODES_B : 0);
 
 	if (!need_print_warning(dquot) || (flag && test_and_set_bit(flag, &dquot->dq_flags)))
 		return;
 
-	tty_write_message(current->signal->tty, dquot->dq_sb->s_id);
+	mutex_lock(&tty_mutex);
+	tty = get_current_tty();
+	if (!tty)
+		goto out_lock;
+	tty_write_message(tty, dquot->dq_sb->s_id);
 	if (warntype == ISOFTWARN || warntype == BSOFTWARN)
-		tty_write_message(current->signal->tty, ": warning, ");
+		tty_write_message(tty, ": warning, ");
 	else
-		tty_write_message(current->signal->tty, ": write failed, ");
-	tty_write_message(current->signal->tty, quotatypes[dquot->dq_type]);
+		tty_write_message(tty, ": write failed, ");
+	tty_write_message(tty, quotatypes[dquot->dq_type]);
 	switch (warntype) {
 		case IHARDWARN:
 			msg = " file limit reached.\r\n";
@@ -860,7 +865,9 @@ static void print_warning(struct dquot *dquot, const char warntype)
 			msg = " block quota exceeded.\r\n";
 			break;
 	}
-	tty_write_message(current->signal->tty, msg);
+	tty_write_message(tty, msg);
+out_lock:
+	mutex_unlock(&tty_mutex);
 }
 
 static inline void flush_warnings(struct dquot **dquots, char *warntype)