We had nested spinlocks using the same flags variable, but it turns out
that we don't need the nested locks at all (the lock protects a static
buffer that we aren't using here), so just remove the extra locks.
Spotted by Alexey Dobriyan.
Signed-off-by: Stephen Rothwell <[email protected]>
---
drivers/char/hvc_iseries.c | 7 +------
1 files changed, 1 insertions(+), 6 deletions(-)
--
Cheers,
Stephen Rothwell [email protected]
diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c
index ea36201..f144a94 100644
--- a/drivers/char/hvc_iseries.c
+++ b/drivers/char/hvc_iseries.c
@@ -154,9 +154,7 @@ static int put_chars(uint32_t vtermno, c
spin_lock_irqsave(&consolelock, flags);
if (viochar_is_console(pi) && !viopath_isactive(pi->lp)) {
- spin_lock_irqsave(&consoleloglock, flags);
HvCall_writeLogBuffer(buf, count);
- spin_unlock_irqrestore(&consoleloglock, flags);
sent = count;
goto done;
}
@@ -172,11 +170,8 @@ static int put_chars(uint32_t vtermno, c
len = (count > VIOCHAR_MAX_DATA) ? VIOCHAR_MAX_DATA : count;
- if (viochar_is_console(pi)) {
- spin_lock_irqsave(&consoleloglock, flags);
+ if (viochar_is_console(pi))
HvCall_writeLogBuffer(buf, len);
- spin_unlock_irqrestore(&consoleloglock, flags);
- }
init_data_event(viochar, pi->lp);
--
1.4.2.1
-
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