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authorSudip Mukherjee <sudipm.mukherjee@gmail.com>2015-12-23 17:57:19 +0530
committerStephen Boyd <sboyd@codeaurora.org>2016-02-08 17:06:32 -0800
commita3499e9bf0feeea593a9daae855986c685561893 (patch)
tree6fe6dcf55167a4570adcf9d9072cd128d485083b /include/linux/device.h
parentbb473593c8099302bfd7befc23de67df907e3a99 (diff)
devm: add helper devm_add_action_or_reset()
Add a helper function devm_add_action_or_reset() which will internally call devm_add_action(). But if devm_add_action() fails then it will execute the action mentioned and return the error code. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'include/linux/device.h')
-rw-r--r--include/linux/device.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index 6d6f1fec092f..74674e098315 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -682,6 +682,18 @@ void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res);
int devm_add_action(struct device *dev, void (*action)(void *), void *data);
void devm_remove_action(struct device *dev, void (*action)(void *), void *data);
+static inline int devm_add_action_or_reset(struct device *dev,
+ void (*action)(void *), void *data)
+{
+ int ret;
+
+ ret = devm_add_action(dev, action, data);
+ if (ret)
+ action(data);
+
+ return ret;
+}
+
struct device_dma_parameters {
/*
* a low level driver may set these to teach IOMMU code about