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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2015-12-10 09:38:50 -0500
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2015-12-13 14:54:47 -0500
commit2aaec9b4f61c1c1fa3374f40f0f1e828b6c53e1e (patch)
treee5a0bdd84f86120c7ab5ef4d26aeba80bd7df37a /src/journal/sd-journal.c
parente64c53fd05496fd9683db8f5130826ad1c6c515d (diff)
journal: decompress_startswith can return an error
The return value was used directly in an if, so an error was treated as success; we need to bail out instead. An error should not happen, unless we have a compression/decompression mismatch, so output a debug line.
Diffstat (limited to 'src/journal/sd-journal.c')
-rw-r--r--src/journal/sd-journal.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 5cde7f17f7..cd5160154a 100644
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -1940,10 +1940,14 @@ _public_ int sd_journal_get_data(sd_journal *j, const char *field, const void **
compression = o->object.flags & OBJECT_COMPRESSION_MASK;
if (compression) {
#if defined(HAVE_XZ) || defined(HAVE_LZ4)
- if (decompress_startswith(compression,
+ r = decompress_startswith(compression,
o->data.payload, l,
&f->compress_buffer, &f->compress_buffer_size,
- field, field_length, '=')) {
+ field, field_length, '=');
+ if (r < 0)
+ log_debug_errno(r, "Cannot decompress %s object of length %zu at offset "OFSfmt": %m",
+ object_compressed_to_string(compression), l, p);
+ else if (r > 0) {
size_t rsize;