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| author | Axel Lin <axel.lin@ingics.com> | 2015-02-16 22:39:04 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-07 03:39:55 +0100 |
| commit | c4e6dcfa00dab9b10e75bba835393b81f256310b (patch) | |
| tree | a3b2c8c3e0717f871200cf6ab30c1c97e9805178 | |
| parent | 30a22c215a0007603ffc08021f2e8b64018517dd (diff) | |
| download | linux-c4e6dcfa00dab9b10e75bba835393b81f256310b.tar.bz2 | |
serial: sprd: Fix missing spin_unlock in sprd_handle_irq()
Fix return from sprd_handle_irq() with spin_lock held.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/sprd_serial.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c index 594b63331ef4..bca975f5093b 100644 --- a/drivers/tty/serial/sprd_serial.c +++ b/drivers/tty/serial/sprd_serial.c @@ -293,8 +293,10 @@ static irqreturn_t sprd_handle_irq(int irq, void *dev_id) ims = serial_in(port, SPRD_IMSR); - if (!ims) + if (!ims) { + spin_unlock(&port->lock); return IRQ_NONE; + } serial_out(port, SPRD_ICLR, ~0); |