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| author | Richard Zhao <richard.zhao@freescale.com> | 2012-09-18 16:14:59 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-21 09:53:16 -0700 |
| commit | 034dc4db6fefa8b9b55a20e816a05f132fdd56bc (patch) | |
| tree | 9f90ed40e8c427ecdc8f155f3e7773846d8d62d7 | |
| parent | 0a86a86b92312dacf74008ea1e1f4df20362f9f4 (diff) | |
| download | op-kernel-dev-034dc4db6fefa8b9b55a20e816a05f132fdd56bc.zip op-kernel-dev-034dc4db6fefa8b9b55a20e816a05f132fdd56bc.tar.gz | |
serial: imx: remove null check of sport in suspend/resume function
platform_get_drvdata always retrun a valid value after probe succeed.
It also fixed smatch warnings:
drivers/tty/serial/imx.c:1376 serial_imx_suspend() warn: variable dereferenced before check 'sport' (see line 1372)
drivers/tty/serial/imx.c:1392 serial_imx_resume() warn: variable dereferenced before check 'sport' (see line 1388)
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/imx.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 49f664f..efeb8be 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1373,8 +1373,7 @@ static int serial_imx_suspend(struct platform_device *dev, pm_message_t state) val |= UCR3_AWAKEN; writel(val, sport->port.membase + UCR3); - if (sport) - uart_suspend_port(&imx_reg, &sport->port); + uart_suspend_port(&imx_reg, &sport->port); return 0; } @@ -1389,8 +1388,7 @@ static int serial_imx_resume(struct platform_device *dev) val &= ~UCR3_AWAKEN; writel(val, sport->port.membase + UCR3); - if (sport) - uart_resume_port(&imx_reg, &sport->port); + uart_resume_port(&imx_reg, &sport->port); return 0; } |
