If we fall into that branch it means that there is a range fully covering the subtract range, so it's suffice to return there if there isn't any other overlapping ranges. Also fix the broken phrase issued by printk. Cc: Yinghai Lu <yinghai@xxxxxxxxxx> Signed-off-by: Lin Feng <linfeng@xxxxxxxxxxxxxx> --- kernel/range.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/range.c b/kernel/range.c index 9b8ae2d..223c6fe 100644 --- a/kernel/range.c +++ b/kernel/range.c @@ -97,10 +97,10 @@ void subtract_range(struct range *range, int az, u64 start, u64 end) range[i].end = range[j].end; range[i].start = end; } else { - printk(KERN_ERR "run of slot in ranges\n"); + printk(KERN_ERR "run out of slot in ranges\n"); } range[j].end = start; - continue; + return; } } } -- 1.8.0.1 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html