* [PATCH] vt: drop redundant might_sleep() in do_con_write()
@ 2020-02-24 7:34 Eric Biggers
0 siblings, 0 replies; only message in thread
From: Eric Biggers @ 2020-02-24 7:34 UTC (permalink / raw)
To: Greg Kroah-Hartman, Jiri Slaby; +Cc: linux-kernel
From: Eric Biggers <ebiggers@google.com>
The might_sleep() in do_con_write() is redundant because console_lock()
already contains might_sleep(). Remove it.
Signed-off-by: Eric Biggers <ebiggers@google.com>
---
drivers/tty/vt/vt.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 0cfbb7182b5a5..a9fe30efa304b 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -2576,8 +2576,6 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
if (in_interrupt())
return count;
- might_sleep();
-
console_lock();
vc = tty->driver_data;
if (vc == NULL) {
--
2.25.1
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2020-02-24 7:34 [PATCH] vt: drop redundant might_sleep() in do_con_write() Eric Biggers
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