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James Seo
4d744ce9d5
Add kerneldocs for ERR_PTR(), PTR_ERR(), PTR_ERR_OR_ZERO(), IS_ERR(), and IS_ERR_OR_NULL(). Doing so will help convert hundreds of mentions of them in existing documentation into automatic cross-references. Also add kerneldocs for IS_ERR_VALUE(). Doing so adds no automatic cross-references, but this macro has a slightly different use case than the functionally similar IS_ERR(), and documenting it may be helpful to readers who encounter it in existing code. ERR_CAST() already has kerneldocs and has not been touched. Signed-off-by: James Seo <[email protected]> Signed-off-by: Jonathan Corbet <[email protected]> Link: https://lore.kernel.org/r/[email protected]