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Input: sentelic - release mutex upon register write failure 

Make 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>
Signed-off-by: Tai-hwa Liang <avatar@sentelic.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Tai-hwa Liang 2011-12-23 01:14:31 -08:00 committed by Dmitry Torokhov
parent 8521478f67
commit d9bae67a7a
1 changed files with 2 additions and 2 deletions
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4
drivers/input/mouse/sentelic.c
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@ -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);