Commit 6861509f authored by Wei Yongjun's avatar Wei Yongjun Committed by David S. Miller

stmmac: fix return value check in stmmac_open_ext_timer()

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: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 28889b7e
...@@ -109,7 +109,7 @@ int stmmac_open_ext_timer(struct net_device *dev, struct stmmac_timer *tm) ...@@ -109,7 +109,7 @@ int stmmac_open_ext_timer(struct net_device *dev, struct stmmac_timer *tm)
{ {
timer_clock = clk_get(NULL, TMU_CHANNEL); timer_clock = clk_get(NULL, TMU_CHANNEL);
if (timer_clock == NULL) if (IS_ERR(timer_clock))
return -1; return -1;
if (tmu2_register_user(stmmac_timer_handler, (void *)dev) < 0) { if (tmu2_register_user(stmmac_timer_handler, (void *)dev) < 0) {
......
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