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ptp: ocp: change sysfs attr group handling
In the detach path, the driver calls sysfs_remove_group() for the groups it believes has been registered. However, if the group was never previously registered, then this causes a splat. Instead, compute the groups that should be registered in advance, and then call sysfs_create_groups(), which registers them all at once. Update the error handling appropriately. Fixes: c205d53 ("ptp: ocp: Add firmware capability bits for feature gating") Reported-by: Zheyu Ma <[email protected]> Signed-off-by: Jonathan Lemon <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
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