diff options
author | Sachin Kamat <sachin.kamat@linaro.org> | 2013-05-17 00:31:02 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-06-12 21:51:02 -0300 |
commit | 0781c057e3fd49e096ec2ea7fa5d6ad18a2f42bb (patch) | |
tree | 0f335cc7e2c9db64f1e3a2b1f96395b20141e12e /drivers/media/platform/s5p-tv | |
parent | 44048752345460df738b87ebec82c9bfc8257943 (diff) |
[media] s5p-tv: Fix incorrect usage of IS_ERR_OR_NULL in mixer_drv.c
NULL check on clocks obtained using common clock APIs should not
be done. Use IS_ERR only.
[s.nawrocki: removed unrelated whitespace change]
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/platform/s5p-tv')
-rw-r--r-- | drivers/media/platform/s5p-tv/mixer_drv.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/media/platform/s5p-tv/mixer_drv.c b/drivers/media/platform/s5p-tv/mixer_drv.c index 5733033a6ea..51805a5e2be 100644 --- a/drivers/media/platform/s5p-tv/mixer_drv.c +++ b/drivers/media/platform/s5p-tv/mixer_drv.c @@ -211,6 +211,15 @@ fail: return ret; } +static void mxr_resource_clear_clocks(struct mxr_resources *res) +{ + res->mixer = ERR_PTR(-EINVAL); + res->vp = ERR_PTR(-EINVAL); + res->sclk_mixer = ERR_PTR(-EINVAL); + res->sclk_hdmi = ERR_PTR(-EINVAL); + res->sclk_dac = ERR_PTR(-EINVAL); +} + static void mxr_release_plat_resources(struct mxr_device *mdev) { free_irq(mdev->res.irq, mdev); @@ -222,15 +231,15 @@ static void mxr_release_clocks(struct mxr_device *mdev) { struct mxr_resources *res = &mdev->res; - if (!IS_ERR_OR_NULL(res->sclk_dac)) + if (!IS_ERR(res->sclk_dac)) clk_put(res->sclk_dac); - if (!IS_ERR_OR_NULL(res->sclk_hdmi)) + if (!IS_ERR(res->sclk_hdmi)) clk_put(res->sclk_hdmi); - if (!IS_ERR_OR_NULL(res->sclk_mixer)) + if (!IS_ERR(res->sclk_mixer)) clk_put(res->sclk_mixer); - if (!IS_ERR_OR_NULL(res->vp)) + if (!IS_ERR(res->vp)) clk_put(res->vp); - if (!IS_ERR_OR_NULL(res->mixer)) + if (!IS_ERR(res->mixer)) clk_put(res->mixer); } @@ -239,6 +248,8 @@ static int mxr_acquire_clocks(struct mxr_device *mdev) struct mxr_resources *res = &mdev->res; struct device *dev = mdev->dev; + mxr_resource_clear_clocks(res); + res->mixer = clk_get(dev, "mixer"); if (IS_ERR(res->mixer)) { mxr_err(mdev, "failed to get clock 'mixer'\n"); @@ -299,6 +310,7 @@ static void mxr_release_resources(struct mxr_device *mdev) mxr_release_clocks(mdev); mxr_release_plat_resources(mdev); memset(&mdev->res, 0, sizeof(mdev->res)); + mxr_resource_clear_clocks(&mdev->res); } static void mxr_release_layers(struct mxr_device *mdev) |