Messages in this thread Patch in this message | | | From | Arend van Spriel <> | Subject | [RESEND PATCH] drivers: change struct device_driver::coredump() return type to void | Date | Sun, 8 Apr 2018 23:57:07 +0200 |
| |
Upon submitting a patch for mwifiex [1] it was discussed whether this callback function could fail. To keep things simple there is no need for the error code so the driver can do the task synchronous or not without worries. Currently the device driver core already ignores the return value so changing it to void.
[1] https://patchwork.kernel.org/patch/10231933/
Signed-off-by: Arend van Spriel <aspriel@gmail.com> --- Hi Greg,
Here is a resend of my patch that got lost. See if it makes it this time ;-)
Regards, Arend --- include/linux/device.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/include/linux/device.h b/include/linux/device.h index 0059b99..4779569 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -256,7 +256,9 @@ enum probe_type { * automatically. * @pm: Power management operations of the device which matched * this driver. - * @coredump: Called through sysfs to initiate a device coredump. + * @coredump: Called when sysfs entry is written to. The device driver + * is expected to call the dev_coredump API resulting in a + * uevent. * @p: Driver core's private data, no one other than the driver * core can touch this. * @@ -288,7 +290,7 @@ struct device_driver { const struct attribute_group **groups; const struct dev_pm_ops *pm; - int (*coredump) (struct device *dev); + void (*coredump) (struct device *dev); struct driver_private *p; }; -- 2.7.4
| |