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6847b6a8cf
When ethtool_nl_get_optics() fails after ethtool_nl_cb() has allocated
oi->raw this memory would leak because only the struct optics* itself
was freed. Fix this by using optics_free() and relying on free(oi->raw)
being a no-op for NULL pointers in combination with using util_zalloc()
to handle errors both before and after oi->raw was allocated.
Fixes: c34adb9cab ("opticsmon: Introduce opticsmon tool")
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>