Messages in this thread Patch in this message | | | Subject | [PATCH 1/3] [media] camss-csid: Use common error handling code in csid_set_power() | From | SF Markus Elfring <> | Date | Sat, 23 Sep 2017 21:44:15 +0200 |
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From: Markus Elfring <elfring@users.sourceforge.net> Date: Sat, 23 Sep 2017 20:48:33 +0200
Add jump targets so that a bit of exception handling can be better reused at the end of this function.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- drivers/media/platform/qcom/camss-8x16/camss-csid.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/media/platform/qcom/camss-8x16/camss-csid.c b/drivers/media/platform/qcom/camss-8x16/camss-csid.c index 64df82817de3..92d4dc6b4a66 100644 --- a/drivers/media/platform/qcom/camss-8x16/camss-csid.c +++ b/drivers/media/platform/qcom/camss-8x16/camss-csid.c @@ -330,13 +330,9 @@ static int csid_set_power(struct v4l2_subdev *sd, int on) ret = csid_set_clock_rates(csid); - if (ret < 0) { - regulator_disable(csid->vdda); - return ret; - } + if (ret < 0) + goto disable_regulator; ret = camss_enable_clocks(csid->nclocks, csid->clock, dev); - if (ret < 0) { - regulator_disable(csid->vdda); - return ret; - } + if (ret < 0) + goto disable_regulator; enable_irq(csid->irq); @@ -345,8 +341,7 @@ static int csid_set_power(struct v4l2_subdev *sd, int on) if (ret < 0) { disable_irq(csid->irq); camss_disable_clocks(csid->nclocks, csid->clock); - regulator_disable(csid->vdda); - return ret; + goto disable_regulator; } hw_version = readl_relaxed(csid->base + CAMSS_CSID_HW_VERSION); @@ -357,6 +352,11 @@ static int csid_set_power(struct v4l2_subdev *sd, int on) ret = regulator_disable(csid->vdda); } + goto exit; + +disable_regulator: + regulator_disable(csid->vdda); +exit: return ret; } -- 2.14.1
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