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| author | Andrew Morton <akpm@linux-foundation.org> | 2008-04-30 00:54:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 08:29:52 -0700 |
| commit | 487798df6d25e76ed6558b3e17c44cf0458cc6f3 (patch) | |
| tree | 3c7918f1e8e4146ab716e403daede83bbde4030a /fs/hfsplus/btree.c | |
| parent | 3e5a5097303eedb4ffae2719843eb064221b1db4 (diff) | |
| download | linux-rpi-487798df6d25e76ed6558b3e17c44cf0458cc6f3.tar.gz linux-rpi-487798df6d25e76ed6558b3e17c44cf0458cc6f3.tar.bz2 linux-rpi-487798df6d25e76ed6558b3e17c44cf0458cc6f3.zip | |
hfsplus: fix warning with 64k PAGE_SIZE
fs/hfsplus/btree.c: In function 'hfsplus_bmap_alloc':
fs/hfsplus/btree.c:239: warning: comparison is always false due to limited range of data type
But this might hide a real bug?
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/hfsplus/btree.c')
| -rw-r--r-- | fs/hfsplus/btree.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c index bb5433608a42..e49fcee1e293 100644 --- a/fs/hfsplus/btree.c +++ b/fs/hfsplus/btree.c @@ -184,7 +184,9 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) struct hfs_bnode *node, *next_node; struct page **pagep; u32 nidx, idx; - u16 off, len; + unsigned off; + u16 off16; + u16 len; u8 *data, byte, m; int i; @@ -211,7 +213,8 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) node = hfs_bnode_find(tree, nidx); if (IS_ERR(node)) return node; - len = hfs_brec_lenoff(node, 2, &off); + len = hfs_brec_lenoff(node, 2, &off16); + off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_CACHE_SHIFT); @@ -256,7 +259,8 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree) return next_node; node = next_node; - len = hfs_brec_lenoff(node, 0, &off); + len = hfs_brec_lenoff(node, 0, &off16); + off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_CACHE_SHIFT); data = kmap(*pagep); |