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block/partitions/mac.c: obey the state->limit constraint

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It isn't necessary to read the information of partitions whose number 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>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ming Lei 2013-02-27 17:05:18 -08:00 committed by Linus Torvalds
parent 8b8a6e1881
commit 06004e6eeb
1 changed files with 4 additions and 0 deletions
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block/partitions/mac.c
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@ -63,6 +63,10 @@ int mac_partition(struct parsed_partitions *state)
put_dev_sector(sect); put_dev_sector(sect);
return 0; return 0;
} }
if (blocks_in_map >= state->limit)
blocks_in_map = state->limit - 1;
strlcat(state->pp_buf, " [mac]", PAGE_SIZE); strlcat(state->pp_buf, " [mac]", PAGE_SIZE);
for (slot = 1; slot <= blocks_in_map; ++slot) { for (slot = 1; slot <= blocks_in_map; ++slot) {
int pos = slot * secsize; int pos = slot * secsize;