commit 1da66c96c94d71ede2f477992b5ec688e8880433
author Andrew Morton <akpm@linux-foundation.org> Wed Sep 04 05:02:54 2019 +0000
committer Johannes Weiner <hannes@cmpxchg.org> Wed Sep 04 05:02:54 2019 +0000
tree 4861b0c68744fd61a7e60ea023df66ada57f04cc
parent ece4ca7759771c232cc58d0f82bb8fdfc4ae9654

drivers/tty/serial/sh-sci.c: suppress warning

drivers/tty/serial/sh-sci.c: In function sci_dma_rx_submit:
./include/linux/spinlock.h:288:3: warning: flags may be used uninitialized in this function [-Wmaybe-uninitialized]
   _raw_spin_unlock_irqrestore(lock, flags); \
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/tty/serial/sh-sci.c:1353:16: note: flags was declared here
  unsigned long flags;

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

drivers/tty/serial/sh-sci.c

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 4e754a4..bf78693 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1348,7 +1348,7 @@
 {
 	struct dma_chan *chan = s->chan_rx;
 	struct uart_port *port = &s->port;
-	unsigned long flags;
+	unsigned long uninitialized_var(flags);
 	int i;
 
 	for (i = 0; i < 2; i++) {