Messages in this thread Patch in this message | | | From | Jamie Iles <> | Subject | [PATCH 10/16] drivers/net: stmmac: don't treat NULL clk as an error | Date | Tue, 11 Jan 2011 12:43:47 +0000 |
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clk_get() returns a struct clk cookie to the driver and some platforms may return NULL if they only support a single clock. clk_get() has only failed if it returns a ERR_PTR() encoded pointer.
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: netdev@vger.kernel.org Signed-off-by: Jamie Iles <jamie@jamieiles.com> --- drivers/net/stmmac/stmmac_timer.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/net/stmmac/stmmac_timer.c b/drivers/net/stmmac/stmmac_timer.c index 2a0e1ab..ebb1b37 100644 --- a/drivers/net/stmmac/stmmac_timer.c +++ b/drivers/net/stmmac/stmmac_timer.c @@ -91,6 +91,7 @@ int stmmac_close_ext_timer(void) #elif defined(CONFIG_STMMAC_TMU_TIMER) #include <linux/clk.h> +#include <linux/err.h> #define TMU_CHANNEL "tmu2_clk" static struct clk *timer_clock; @@ -109,7 +110,7 @@ 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) { -- 1.7.3.4
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