diff options
| author | Vyacheslav Dubeyko <slava@dubeyko.com> | 2012-12-21 00:05:25 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-21 02:40:19 +0100 |
| commit | 1b243fd39bd605cdfc482bba4e56b0cb34b28f27 (patch) | |
| tree | a9884f04fc58cf78cd0eb7219b1230b7e7097064 /fs | |
| parent | hfsplus: avoid crash on failed block map free (diff) | |
| download | linux-1b243fd39bd605cdfc482bba4e56b0cb34b28f27.tar.xz linux-1b243fd39bd605cdfc482bba4e56b0cb34b28f27.zip | |
hfsplus: rework processing errors in hfsplus_free_extents()
Currently, it doesn't process error codes from the hfsplus_block_free()
call in hfsplus_free_extents() method. Add some error code processing.
Signed-off-by: Vyacheslav Dubeyko <slava@dubeyko.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/hfsplus/extents.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c index 5849e3ef35cc..eba76eab6d62 100644 --- a/fs/hfsplus/extents.c +++ b/fs/hfsplus/extents.c @@ -329,6 +329,7 @@ static int hfsplus_free_extents(struct super_block *sb, { u32 count, start; int i; + int err = 0; hfsplus_dump_extent(extent); for (i = 0; i < 8; extent++, i++) { @@ -345,18 +346,33 @@ found: for (;;) { start = be32_to_cpu(extent->start_block); if (count <= block_nr) { - hfsplus_block_free(sb, start, count); + err = hfsplus_block_free(sb, start, count); + if (err) { + printk(KERN_ERR "hfs: can't free extent\n"); + dprint(DBG_EXTENT, " start: %u count: %u\n", + start, count); + } extent->block_count = 0; extent->start_block = 0; block_nr -= count; } else { count -= block_nr; - hfsplus_block_free(sb, start + count, block_nr); + err = hfsplus_block_free(sb, start + count, block_nr); + if (err) { + printk(KERN_ERR "hfs: can't free extent\n"); + dprint(DBG_EXTENT, " start: %u count: %u\n", + start, count); + } extent->block_count = cpu_to_be32(count); block_nr = 0; } - if (!block_nr || !i) - return 0; + if (!block_nr || !i) { + /* + * Try to free all extents and + * return only last error + */ + return err; + } i--; extent--; count = be32_to_cpu(extent->block_count); |