usb: fsl-mph-dr-of: Remove unnecessary NULL check before clk_disable_unprepare()

clk_disable_unprepare() already checks NULL by using IS_ERR_OR_NULL.
Remove unneeded NULL check for clk here.

Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://lore.kernel.org/r/20250617041917.1930885-1-nichen@iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
index 4e67b94..edfb635 100644 (file)
--- a/drivers/usb/host/fsl-mph-dr-of.c
+++ b/drivers/usb/host/fsl-mph-dr-of.c
@@ -327,8 +327,7 @@ static void fsl_usb2_mpc5121_exit(struct platform_device *pdev)
 
        pdata->regs = NULL;
 
-       if (pdata->clk)
-               clk_disable_unprepare(pdata->clk);
+       clk_disable_unprepare(pdata->clk);
 }
 
 static struct fsl_usb2_platform_data fsl_usb2_mpc5121_pd = {