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| author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-09-28 23:12:51 +0200 |
|---|---|---|
| committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-09-28 23:34:17 +0200 |
| commit | 624b9ccf99313dfb2ad2331207fd20b9cb544222 (patch) | |
| tree | 6e7edfe2081bc890fc2c31be775215b476cb3122 | |
| parent | d677b30e9408e149693c66869d6111fe48819e86 (diff) | |
Fix xattr writer: handle the case that no attributes where added
If begin/end was called without recording *any* attributes, simply
set the resulting index to the 0xFFFFFFFF sentinel.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
| -rw-r--r-- | lib/sqfs/xattr_writer.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/sqfs/xattr_writer.c b/lib/sqfs/xattr_writer.c index 318c613..fd35ca3 100644 --- a/lib/sqfs/xattr_writer.c +++ b/lib/sqfs/xattr_writer.c @@ -235,6 +235,10 @@ int sqfs_xattr_writer_end(sqfs_xattr_writer_t *xwr, sqfs_u32 *out) int ret; count = xwr->num_pairs - xwr->kv_start; + if (count == 0) { + *out = 0xFFFFFFFF; + return 0; + } qsort(xwr->kv_pairs + xwr->kv_start, count, sizeof(xwr->kv_pairs[0]), compare_u64); |