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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-09-20 21:06:10 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-09-21 13:47:24 -0400 |
| commit | 6861509f9fee9c5e568c5f6852bb96f2475b4179 (patch) | |
| tree | 3ae0f598217e303a3b10b25fccb904547fb46ba1 /drivers | |
| parent | 28889b7e7818342f6c254e27b9b2c68702ab867a (diff) | |
| download | linux-stable-6861509f9fee9c5e568c5f6852bb96f2475b4179.tar.gz linux-stable-6861509f9fee9c5e568c5f6852bb96f2475b4179.tar.bz2 linux-stable-6861509f9fee9c5e568c5f6852bb96f2475b4179.zip | |
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: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_timer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_timer.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_timer.c index 2a0e1abde7e7..197fb8cde1d3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_timer.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_timer.c @@ -109,7 +109,7 @@ int stmmac_open_ext_timer(struct net_device *dev, struct stmmac_timer *tm) { timer_clock = clk_get(NULL, TMU_CHANNEL); - if (timer_clock == NULL) + if (IS_ERR(timer_clock)) return -1; if (tmu2_register_user(stmmac_timer_handler, (void *)dev) < 0) { |