linux-input.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH 1/1] input: sentelic: Releasing mutex upon register writing failure
@ 2011-12-16  7:07 Tai-hwa Liang
  2011-12-22 17:52 ` Dmitry Torokhov
  0 siblings, 1 reply; 3+ messages in thread
From: Tai-hwa Liang @ 2011-12-16  7:07 UTC (permalink / raw)
  To: Dmitry Torokhov; +Cc: linux-input, Tai-hwa Liang, Paul Fox

Making sure that mutex is released upon register writing failure.
This fixes boot freezing observed on ARM based OLPC
(http://dev.laptop.org/ticket/11357).

Signed-off-by: Paul Fox <pgf@laptop.org>
Acked-by: Tai-hwa Liang <avatar@sentelic.com>
---
 drivers/input/mouse/sentelic.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c
index 5babc47..7e96a5d 100644
--- a/drivers/input/mouse/sentelic.c
+++ b/drivers/input/mouse/sentelic.c
@@ -162,7 +162,7 @@ static int fsp_reg_write(struct psmouse *psmouse, int reg_addr, int reg_val)
 	ps2_sendbyte(ps2dev, v, FSP_CMD_TIMEOUT2);
 
 	if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0)
-		return -1;
+		goto out;
 
 	if ((v = fsp_test_invert_cmd(reg_val)) != reg_val) {
 		/* inversion is required */
@@ -261,7 +261,7 @@ static int fsp_page_reg_write(struct psmouse *psmouse, int reg_val)
 	ps2_sendbyte(ps2dev, 0x88, FSP_CMD_TIMEOUT2);
 
 	if (ps2_sendbyte(ps2dev, 0xf3, FSP_CMD_TIMEOUT) < 0)
-		return -1;
+		goto out;
 
 	if ((v = fsp_test_invert_cmd(reg_val)) != reg_val) {
 		ps2_sendbyte(ps2dev, 0x47, FSP_CMD_TIMEOUT2);
-- 
1.7.7.3


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2011-12-23  1:08 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-12-16  7:07 [PATCH 1/1] input: sentelic: Releasing mutex upon register writing failure Tai-hwa Liang
2011-12-22 17:52 ` Dmitry Torokhov
2011-12-23  1:08   ` Tai-hwa Liang

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).