net/irda: sh_sir: fix return value check in sh_sir_set_baudrate()

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

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

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/irda/sh_sir.c b/drivers/net/irda/sh_sir.c
index 256eddf..7951094 100644 (file)
--- a/drivers/net/irda/sh_sir.c
+++ b/drivers/net/irda/sh_sir.c
@@ -280,7 +280,7 @@ static int sh_sir_set_baudrate(struct sh_sir_self *self, u32 baudrate)
        }
 
        clk = clk_get(NULL, "irda_clk");
-       if (!clk) {
+       if (IS_ERR(clk)) {
                dev_err(dev, "can not get irda_clk\n");
                return -EIO;
        }