Commit 66bb2a7f authored Apr 05, 2012 by Fabio Estevam Committed by Mark Brown Apr 05, 2012

ASoC: imx-audmux: Check for NULL pointer



Check for NULL pointer before accessing it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

parent 00792ac4

sound/soc/imx/imx-audmux.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -79,6 +79,9 @@ static ssize_t audmux_read_file(struct file file, char __user user_buf,
		if (!buf)
		return -ENOMEM;

		if (!audmux_base)
		return -ENOSYS;

		if (audmux_clk)
		clk_prepare_enable(audmux_clk);