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authorMing Lei <ming.lei@canonical.com>2013-02-27 17:05:18 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-27 19:10:21 -0800
commit06004e6eebdaf101a0f9b533fac77b5768d2c09c (patch)
tree5a867e6e20c7fb468ba4d6b7d5501fded8b174f1 /block/partitions
parent8b8a6e1881be8d73b7a98f84ccec61e624ec5cac (diff)
downloadlwn-06004e6eebdaf101a0f9b533fac77b5768d2c09c.tar.gz
lwn-06004e6eebdaf101a0f9b533fac77b5768d2c09c.zip
block/partitions/mac.c: obey the state->limit constraint
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>
Diffstat (limited to 'block/partitions')
-rw-r--r--block/partitions/mac.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/block/partitions/mac.c b/block/partitions/mac.c
index 11f688bd76c5..76d8ba6379a9 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;