Devise update user without password

Question

I want to update users attributes without password in devise. The case is like, if password and password confirmation fields are not blank then I need devise error and if they are blank then other user attributes need to be updated. How could I do this with devise?

Thanks in advance!

Answer 1

Is this what you're look for? From the Devise wiki

Allow users to edit their account without providing a password

It shows how to do it for rails 3 and rails 4

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John's solution is a simpler alternative