diff options
| author | Sudip Mukherjee <sudipm.mukherjee@gmail.com> | 2015-12-23 17:57:19 +0530 |
|---|---|---|
| committer | Kyle Yan <kyan@codeaurora.org> | 2016-06-29 11:23:04 -0700 |
| commit | 7546cb41d88c7c7370262a34bfaa4685a7b0f820 (patch) | |
| tree | 96e003f452abaa209ea9e32139cfca2923cfa285 /include/linux/device.h | |
| parent | d1a6faf956b7f4a7ce3b174c33ac26c0197a8ae0 (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.
Change-Id: I70562e95e0ef672db7dc9bd9f24d9a3b356bf89c
(cherry picked from commit a3499e9bf0fe ("devm: add helper
devm_add_action_or_reset()")
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Kyle Yan <kyan@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 789b33efb2ca..9f27351c6b9c 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -681,6 +681,18 @@ 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 |