diff options
| author | Sudip Mukherjee <sudipm.mukherjee@gmail.com> | 2015-12-23 15:27:19 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2016-02-09 04:06:32 +0300 |
| commit | a3499e9bf0feeea593a9daae855986c685561893 (patch) | |
| tree | 6fe6dcf55167a4570adcf9d9072cd128d485083b /include/linux/device.h | |
| parent | bb473593c8099302bfd7befc23de67df907e3a99 (diff) | |
| download | linux-a3499e9bf0feeea593a9daae855986c685561893.tar.xz | |
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.h | 12 |
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 |