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05e555642c
With few exceptions emptiness checks are done as fd_file(...) in boolean context (usually something like if (!fd_file(f))...); those will be taken care of later. However, there's a couple of places where we do those checks as 'store fd_file(...) into a variable, then check if this variable is NULL' and those are harder to spot. Get rid of those now. use fd_empty() instead of extracting file and then checking it for NULL. Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>