diff options
| author | Lennart Poettering <lennart@poettering.net> | 2013-05-16 02:37:42 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2013-05-16 02:37:42 +0200 |
| commit | 1307c3ff9aa9d96fff6f9f42bb760887fa9aa240 (patch) | |
| tree | f8d937aa4b454af00628e1c6c008df996e0bb28f /src/libsystemd-bus/bus-message.c | |
| parent | a392d36195f92eaa2d5b7c1d588ff8e52025a43a (diff) | |
bus: implement receiving side of memfd hookup
Diffstat (limited to 'src/libsystemd-bus/bus-message.c')
| -rw-r--r-- | src/libsystemd-bus/bus-message.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/libsystemd-bus/bus-message.c b/src/libsystemd-bus/bus-message.c index b5a311530b..209fd71c13 100644 --- a/src/libsystemd-bus/bus-message.c +++ b/src/libsystemd-bus/bus-message.c @@ -2196,6 +2196,13 @@ int bus_body_part_map(struct bus_body_part *part) { if (part->size <= 0) return 0; + /* For smaller zero parts (as used for padding) we don't need to map anything... */ + if (part->memfd < 0 && part->is_zero && part->size < 8) { + static const uint8_t zeroes[7] = { }; + part->data = (void*) zeroes; + return 0; + } + psz = PAGE_ALIGN(part->size); if (part->memfd >= 0) @@ -2222,9 +2229,6 @@ void bus_body_part_unmap(struct bus_body_part *part) { if (part->memfd < 0) return; - if (!part->sealed) - return; - if (!part->data) return; |