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9ce9ed72a9
By design, before replacement of '${FOO}' with its value, the
procedure checks that the resulted command line doesn't exceed the
maximum one.
The old check used the never updated length of the original command
line, which is incorrect. Instead, use its current length resulting
from the replacement happened at the previous iteration.
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Eduard Shishkin <edward6@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>