ARM: OMAP: fix return value check in realtime_counter_init()

From: Wei Yongjun <[email protected]>

In case of error, the function clk_get() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR().

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by Wei Yongjun <[email protected]>

---
 arch/arm/mach-omap2/timer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

arch/arm/mach-omap2/timer.c +1 -2

index 8847d6e..44f9aa7 100644
@@ -378,7 +378,7 @@ static void __init realtime_counter_init(void)
 		return;
 	}
 	sys_clk = clk_get(NULL, "sys_clkin_ck");
-	if (!sys_clk) {
+	if (IS_ERR(sys_clk)) {
 		pr_err("%s: failed to get system clock handle\n", __func__);
 		iounmap(base);
 		return;
 
--

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