* [PATCH 1/2] block: partitions: mac: obey the state->limit constraint
@ 2013-02-21 5:21 Ming Lei
0 siblings, 0 replies; only message in thread
From: Ming Lei @ 2013-02-21 5:21 UTC (permalink / raw)
To: Andrew Morton, linux-kernel; +Cc: Jens Axboe, Yasuaki Ishimatsu, Ming Lei
It isn't necessary to read the information of partitions whose No.
is equal and more than state->limit since only maximum state->limit
partitions will be added inside rescan_partitions().
That is also what other kind of partitions are doing.
Signed-off-by: Ming Lei <ming.lei@canonical.com>
---
block/partitions/mac.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/block/partitions/mac.c b/block/partitions/mac.c
index 11f688b..76d8ba6 100644
--- a/block/partitions/mac.c
+++ b/block/partitions/mac.c
@@ -63,6 +63,10 @@ int mac_partition(struct parsed_partitions *state)
put_dev_sector(sect);
return 0;
}
+
+ if (blocks_in_map >= state->limit)
+ blocks_in_map = state->limit - 1;
+
strlcat(state->pp_buf, " [mac]", PAGE_SIZE);
for (slot = 1; slot <= blocks_in_map; ++slot) {
int pos = slot * secsize;
--
1.7.9.5
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