greybus: module: don't create duplicate module ids

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If we somehow get a hotplug event for a module id that we already have
created[1], don't try to create it again, or sysfs will complain loudly.
Instead, abort the creation properly.

[1] If, for example, you happened to run a script on a greybus emulator
twice in a row...

Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
Reviewed-by: Alex Elder <elder@linaro.org>

...

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Greg Kroah-Hartman 2014-10-24 18:46:15 +08:00

parent 3e6d5f3a61

commit 066799c18f

1 changed files with 7 additions and 0 deletions

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drivers/staging/greybus/module.c

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