Even in failed case of pm_runtime_get_sync, the usage_count is incremented. In order to keep the usage_count with correct value and runtime power management to behave correctly, call pm_runtime_put(_sync) in such case.
Signed-off-by Liu Chuansheng <chuansheng....@intel.com> Signed-off-by: Li Fei <fei...@intel.com> --- drivers/net/wireless/ti/wl1251/sdio.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/net/wireless/ti/wl1251/sdio.c b/drivers/net/wireless/ti/wl1251/sdio.c index e57ee48..e2b3d9c 100644 --- a/drivers/net/wireless/ti/wl1251/sdio.c +++ b/drivers/net/wireless/ti/wl1251/sdio.c @@ -186,8 +186,10 @@ static int wl1251_sdio_set_power(struct wl1251 *wl, bool enable) wl->set_power(true); ret = pm_runtime_get_sync(&func->dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put_sync(&func->dev); goto out; + } sdio_claim_host(func); sdio_enable_func(func); -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/