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| author | Sergey Bugaev <bugaevc@gmail.com> | 2024-12-04 14:34:02 +0300 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2024-12-05 08:47:21 +0100 |
| commit | b21b03ca624b89caeedfe58430cea4b40317d39f (patch) | |
| tree | 1ca8de95de57c2939550037292ed3d9d7fe2f669 | |
| parent | 53351d0e35568ad4c0a908942b483c85479a3fba (diff) | |
| download | hurd-b21b03ca624b89caeedfe58430cea4b40317d39f.tar.gz hurd-b21b03ca624b89caeedfe58430cea4b40317d39f.tar.bz2 hurd-b21b03ca624b89caeedfe58430cea4b40317d39f.zip | |
libstore: Fix zero store writes
We discard any written data, but we still need to set *amount. Not doing
that is undefined behavior, and causes the write to appear to fail. This
is the cause of a libzstd test failure on GNU/Hurd in particular.
Reported-by: Diego Nieto Cid <dnietoc@gmail.com>
Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Message-ID: <20241204113402.540235-1-bugaevc@gmail.com>
| -rw-r--r-- | libstore/zero.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libstore/zero.c b/libstore/zero.c index b35d29a5..37c239b5 100644 --- a/libstore/zero.c +++ b/libstore/zero.c @@ -51,6 +51,7 @@ zero_write (struct store *store, store_offset_t addr, size_t index, const void *buf, size_t len, size_t *amount) { + *amount = len; return 0; } |