mips: single_open() leaks

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/mips/kernel/smtc-proc.c

@@ -61,7 +61,7 @@ static const struct file_operations smtc_proc_fops = {
 	.open		= smtc_proc_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= seq_release,
+	.release	= single_release,
 };
 
 void init_smtc_stats(void)

arch/mips/pci/ops-pmcmsp.c

@@ -92,7 +92,7 @@ static const struct file_operations msp_pci_rd_cnt_fops = {
 	.open		= msp_pci_rd_cnt_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= seq_release,
+	.release	= single_release,
 };
 
 /*****************************************************************************
@@ -169,7 +169,7 @@ static const struct file_operations gen_pci_cfg_wr_fops = {
 	.open		= gen_pci_cfg_wr_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= seq_release,
+	.release	= single_release,
 };
 
 /*****************************************************************************

arch/mips/sibyte/sb1250/bus_watcher.c

@@ -145,7 +145,7 @@ static const struct file_operations bw_proc_fops = {
 	.open		= bw_proc_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= seq_release,
+	.release	= single_release,
 };
 
 static void create_proc_decoder(struct bw_stats_struct *stats)