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a61ea6379a
Fix not to refer the errno variable as the result of previous libc
functions after printf() because printf() can change the errno.
Link: https://lkml.kernel.org/r/160576520243.320071.51093664672431249.stgit@devnote2
Fixes: 85c46b78da ("bootconfig: Add bootconfig magic word for indicating bootconfig explicitly")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>