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A single & will create a background process and return true, so the grep
command will run even if the file checked in the first condition does not
exist.
Link: https://lore.kernel.org/all/[email protected]/
Fixes: 1eaad3ac3f ("tools/bootconfig: Use per-group/all enable option in ftrace2bconf script")
Signed-off-by: Antonio Alvarez Feijoo <[email protected]>
Cc: [email protected]
Acked-by: Masami Hiramatsu (Google) <[email protected]>
Signed-off-by: Masami Hiramatsu (Google) <[email protected]>