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| author | Tejun Heo <tj@kernel.org> | 2011-02-21 11:43:56 +0300 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2011-02-21 11:43:56 +0300 |
| commit | 43d133c18b44e7d82d82ef0dcc2bddd55d5dfe81 (patch) | |
| tree | 8de75c837b55874cc8a81a29bdedbc62668d4481 /fs/partitions/mac.c | |
| parent | 4149efb22da66e326fc48baf80d628834509f7f0 (diff) | |
| parent | 6f576d57f1fa0d6026b495d8746d56d949989161 (diff) | |
| download | linux-43d133c18b44e7d82d82ef0dcc2bddd55d5dfe81.tar.xz | |
Merge branch 'master' into for-2.6.39
Diffstat (limited to 'fs/partitions/mac.c')
| -rw-r--r-- | fs/partitions/mac.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/partitions/mac.c b/fs/partitions/mac.c index 68d6a216ee79..11f688bd76c5 100644 --- a/fs/partitions/mac.c +++ b/fs/partitions/mac.c @@ -29,10 +29,9 @@ static inline void mac_fix_string(char *stg, int len) int mac_partition(struct parsed_partitions *state) { - int slot = 1; Sector sect; unsigned char *data; - int blk, blocks_in_map; + int slot, blocks_in_map; unsigned secsize; #ifdef CONFIG_PPC_PMAC int found_root = 0; @@ -59,10 +58,14 @@ int mac_partition(struct parsed_partitions *state) put_dev_sector(sect); return 0; /* not a MacOS disk */ } - strlcat(state->pp_buf, " [mac]", PAGE_SIZE); blocks_in_map = be32_to_cpu(part->map_count); - for (blk = 1; blk <= blocks_in_map; ++blk) { - int pos = blk * secsize; + if (blocks_in_map < 0 || blocks_in_map >= DISK_MAX_PARTS) { + put_dev_sector(sect); + return 0; + } + strlcat(state->pp_buf, " [mac]", PAGE_SIZE); + for (slot = 1; slot <= blocks_in_map; ++slot) { + int pos = slot * secsize; put_dev_sector(sect); data = read_part_sector(state, pos/512, §); if (!data) @@ -113,13 +116,11 @@ int mac_partition(struct parsed_partitions *state) } if (goodness > found_root_goodness) { - found_root = blk; + found_root = slot; found_root_goodness = goodness; } } #endif /* CONFIG_PPC_PMAC */ - - ++slot; } #ifdef CONFIG_PPC_PMAC if (found_root_goodness) |